2(12-x)+2(3x+7)=90

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Solution for 2(12-x)+2(3x+7)=90 equation:


Simplifying
2(12 + -1x) + 2(3x + 7) = 90
(12 * 2 + -1x * 2) + 2(3x + 7) = 90
(24 + -2x) + 2(3x + 7) = 90

Reorder the terms:
24 + -2x + 2(7 + 3x) = 90
24 + -2x + (7 * 2 + 3x * 2) = 90
24 + -2x + (14 + 6x) = 90

Reorder the terms:
24 + 14 + -2x + 6x = 90

Combine like terms: 24 + 14 = 38
38 + -2x + 6x = 90

Combine like terms: -2x + 6x = 4x
38 + 4x = 90

Solving
38 + 4x = 90

Solving for variable 'x'.

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

Add '-38' to each side of the equation.
38 + -38 + 4x = 90 + -38

Combine like terms: 38 + -38 = 0
0 + 4x = 90 + -38
4x = 90 + -38

Combine like terms: 90 + -38 = 52
4x = 52

Divide each side by '4'.
x = 13

Simplifying
x = 13

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