91=-8+3(5x-7)

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Solution for 91=-8+3(5x-7) equation:


Simplifying
91 = -8 + 3(5x + -7)

Reorder the terms:
91 = -8 + 3(-7 + 5x)
91 = -8 + (-7 * 3 + 5x * 3)
91 = -8 + (-21 + 15x)

Combine like terms: -8 + -21 = -29
91 = -29 + 15x

Solving
91 = -29 + 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.
91 + -15x = -29 + 15x + -15x

Combine like terms: 15x + -15x = 0
91 + -15x = -29 + 0
91 + -15x = -29

Add '-91' to each side of the equation.
91 + -91 + -15x = -29 + -91

Combine like terms: 91 + -91 = 0
0 + -15x = -29 + -91
-15x = -29 + -91

Combine like terms: -29 + -91 = -120
-15x = -120

Divide each side by '-15'.
x = 8

Simplifying
x = 8

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