8x+7=15x-91

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Solution for 8x+7=15x-91 equation:


Simplifying
8x + 7 = 15x + -91

Reorder the terms:
7 + 8x = 15x + -91

Reorder the terms:
7 + 8x = -91 + 15x

Solving
7 + 8x = -91 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
7 + 8x + -15x = -91 + 15x + -15x

Combine like terms: 8x + -15x = -7x
7 + -7x = -91 + 15x + -15x

Combine like terms: 15x + -15x = 0
7 + -7x = -91 + 0
7 + -7x = -91

Add '-7' to each side of the equation.
7 + -7 + -7x = -91 + -7

Combine like terms: 7 + -7 = 0
0 + -7x = -91 + -7
-7x = -91 + -7

Combine like terms: -91 + -7 = -98
-7x = -98

Divide each side by '-7'.
x = 14

Simplifying
x = 14

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