7x-15=(18x+12)+(2x+12)

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Solution for 7x-15=(18x+12)+(2x+12) equation:


Simplifying
7x + -15 = (18x + 12) + (2x + 12)

Reorder the terms:
-15 + 7x = (18x + 12) + (2x + 12)

Reorder the terms:
-15 + 7x = (12 + 18x) + (2x + 12)

Remove parenthesis around (12 + 18x)
-15 + 7x = 12 + 18x + (2x + 12)

Reorder the terms:
-15 + 7x = 12 + 18x + (12 + 2x)

Remove parenthesis around (12 + 2x)
-15 + 7x = 12 + 18x + 12 + 2x

Reorder the terms:
-15 + 7x = 12 + 12 + 18x + 2x

Combine like terms: 12 + 12 = 24
-15 + 7x = 24 + 18x + 2x

Combine like terms: 18x + 2x = 20x
-15 + 7x = 24 + 20x

Solving
-15 + 7x = 24 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
-15 + 7x + -20x = 24 + 20x + -20x

Combine like terms: 7x + -20x = -13x
-15 + -13x = 24 + 20x + -20x

Combine like terms: 20x + -20x = 0
-15 + -13x = 24 + 0
-15 + -13x = 24

Add '15' to each side of the equation.
-15 + 15 + -13x = 24 + 15

Combine like terms: -15 + 15 = 0
0 + -13x = 24 + 15
-13x = 24 + 15

Combine like terms: 24 + 15 = 39
-13x = 39

Divide each side by '-13'.
x = -3

Simplifying
x = -3

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