4X-45+7X-12=3X+4X-8

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Solution for 4X-45+7X-12=3X+4X-8 equation: 


Simplifying
4X + -45 + 7X + -12 = 3X + 4X + -8

Reorder the terms:
-45 + -12 + 4X + 7X = 3X + 4X + -8

Combine like terms: -45 + -12 = -57
-57 + 4X + 7X = 3X + 4X + -8

Combine like terms: 4X + 7X = 11X
-57 + 11X = 3X + 4X + -8

Reorder the terms:
-57 + 11X = -8 + 3X + 4X

Combine like terms: 3X + 4X = 7X
-57 + 11X = -8 + 7X

Solving
-57 + 11X = -8 + 7X

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-7X' to each side of the equation.
-57 + 11X + -7X = -8 + 7X + -7X

Combine like terms: 11X + -7X = 4X
-57 + 4X = -8 + 7X + -7X

Combine like terms: 7X + -7X = 0
-57 + 4X = -8 + 0
-57 + 4X = -8

Add '57' to each side of the equation.
-57 + 57 + 4X = -8 + 57

Combine like terms: -57 + 57 = 0
0 + 4X = -8 + 57
4X = -8 + 57

Combine like terms: -8 + 57 = 49
4X = 49

Divide each side by '4'.
X = 12.25

Simplifying
X = 12.25

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