-91=-5x-4(3x-7)

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Solution for -91=-5x-4(3x-7) equation:


Simplifying
-91 = -5x + -4(3x + -7)

Reorder the terms:
-91 = -5x + -4(-7 + 3x)
-91 = -5x + (-7 * -4 + 3x * -4)
-91 = -5x + (28 + -12x)

Reorder the terms:
-91 = 28 + -5x + -12x

Combine like terms: -5x + -12x = -17x
-91 = 28 + -17x

Solving
-91 = 28 + -17x

Solving for variable 'x'.

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

Add '17x' to each side of the equation.
-91 + 17x = 28 + -17x + 17x

Combine like terms: -17x + 17x = 0
-91 + 17x = 28 + 0
-91 + 17x = 28

Add '91' to each side of the equation.
-91 + 91 + 17x = 28 + 91

Combine like terms: -91 + 91 = 0
0 + 17x = 28 + 91
17x = 28 + 91

Combine like terms: 28 + 91 = 119
17x = 119

Divide each side by '17'.
x = 7

Simplifying
x = 7

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