-91=-13(6x+13)

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Solution for -91=-13(6x+13) equation:


Simplifying
-91 = -13(6x + 13)

Reorder the terms:
-91 = -13(13 + 6x)
-91 = (13 * -13 + 6x * -13)
-91 = (-169 + -78x)

Solving
-91 = -169 + -78x

Solving for variable 'x'.

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

Add '78x' to each side of the equation.
-91 + 78x = -169 + -78x + 78x

Combine like terms: -78x + 78x = 0
-91 + 78x = -169 + 0
-91 + 78x = -169

Add '91' to each side of the equation.
-91 + 91 + 78x = -169 + 91

Combine like terms: -91 + 91 = 0
0 + 78x = -169 + 91
78x = -169 + 91

Combine like terms: -169 + 91 = -78
78x = -78

Divide each side by '78'.
x = -1

Simplifying
x = -1

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