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    Current location:Equations > Monovariate Equation > The history of univariate equation calculation > Answer

    Overview: 1 questions will be solved this time.Among them
           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation 0.66*0.92+(5.62+0.66)*0.08*x+(70+5.62+0.66)*0.08*(1-x) = 0.484704 .
    Question type: Equation
    Solution:Original question:
     
33
50
×
23
25
+ (
281
50
+
33
50
) ×
2
25
x + (70 +
281
50
+
33
50
) ×
2
25
(1 x ) =
15147
31250
     Left side of the equation =
759
1250
+ (
281
50
+
33
50
) ×
2
25
x + (70 +
281
50
+
33
50
) ×
2
25
(1 x )
    The equation is transformed into :
     
759
1250
+ (
281
50
+
33
50
) ×
2
25
x + (70 +
281
50
+
33
50
) ×
2
25
(1 x ) =
15147
31250
    Remove the bracket on the left of the equation:
     Left side of the equation =
759
1250
+
281
50
×
2
25
x +
33
50
×
2
25
x + (70 +
281
50
+
33
50
) ×
2
25
(1 x )
                                             =
759
1250
+
281
625
x +
33
625
x + (70 +
281
50
+
33
50
) ×
2
25
(1 x )
                                             =
759
1250
+
314
625
x + (70 +
281
50
+
33
50
) ×
2
25
(1 x )
                                             =
759
1250
+
314
625
x + 70 ×
2
25
(1 x ) +
281
50
×
2
25
(1 x ) +
33
50
×
2
25
(1 x )
                                             =
759
1250
+
314
625
x +
28
5
(1 x ) +
281
625
(1 x ) +
33
625
(1 x )
                                             =
759
1250
+
314
625
x +
28
5
× 1
28
5
x +
281
625
(1 x ) +
33
625
(1 x )
                                             =
759
1250
+
314
625
x +
28
5
28
5
x +
281
625
(1 x ) +
33
625
(1 x )
                                             =
7759
1250
3186
625
x +
281
625
(1 x ) +
33
625
(1 x )
                                             =
7759
1250
3186
625
x +
281
625
× 1
281
625
x +
33
625
(1 x )
                                             =
7759
1250
3186
625
x +
281
625
281
625
x +
33
625
(1 x )
                                             =
8321
1250
3467
625
x +
33
625
(1 x )
                                             =
8321
1250
3467
625
x +
33
625
× 1
33
625
x
                                             =
8321
1250
3467
625
x +
33
625
33
625
x
                                             =
8387
1250
28
5
x
    The equation is transformed into :
     
8387
1250
28
5
x =
15147
31250

    Transposition :
      -
28
5
x =
15147
31250
8387
1250

    Combine the items on the right of the equation:
      -
28
5
x = -
97264
15625

    By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
     
97264
15625
=
28
5
x

    If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :
     
28
5
x =
97264
15625

    The coefficient of the unknown number is reduced to 1 :
      x =
97264
15625
÷
28
5
        =
97264
15625
×
5
28
        =
24316
3125
×
1
7

    We obtained :
      x =
24316
21875
    This is the solution of the equation.

    Convert the result to decimal form :
      x = 1.111589



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