3x+12+90=4x-10+70

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Solution for 3x+12+90=4x-10+70 equation:


Simplifying
3x + 12 + 90 = 4x + -10 + 70

Reorder the terms:
12 + 90 + 3x = 4x + -10 + 70

Combine like terms: 12 + 90 = 102
102 + 3x = 4x + -10 + 70

Reorder the terms:
102 + 3x = -10 + 70 + 4x

Combine like terms: -10 + 70 = 60
102 + 3x = 60 + 4x

Solving
102 + 3x = 60 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
102 + 3x + -4x = 60 + 4x + -4x

Combine like terms: 3x + -4x = -1x
102 + -1x = 60 + 4x + -4x

Combine like terms: 4x + -4x = 0
102 + -1x = 60 + 0
102 + -1x = 60

Add '-102' to each side of the equation.
102 + -102 + -1x = 60 + -102

Combine like terms: 102 + -102 = 0
0 + -1x = 60 + -102
-1x = 60 + -102

Combine like terms: 60 + -102 = -42
-1x = -42

Divide each side by '-1'.
x = 42

Simplifying
x = 42

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