15x+7=5x-8

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Solution for 15x+7=5x-8 equation:


Simplifying
15x + 7 = 5x + -8

Reorder the terms:
7 + 15x = 5x + -8

Reorder the terms:
7 + 15x = -8 + 5x

Solving
7 + 15x = -8 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
7 + 15x + -5x = -8 + 5x + -5x

Combine like terms: 15x + -5x = 10x
7 + 10x = -8 + 5x + -5x

Combine like terms: 5x + -5x = 0
7 + 10x = -8 + 0
7 + 10x = -8

Add '-7' to each side of the equation.
7 + -7 + 10x = -8 + -7

Combine like terms: 7 + -7 = 0
0 + 10x = -8 + -7
10x = -8 + -7

Combine like terms: -8 + -7 = -15
10x = -15

Divide each side by '10'.
x = -1.5

Simplifying
x = -1.5

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