-91-9x=7x+12

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Solution for -91-9x=7x+12 equation:


Simplifying
-91 + -9x = 7x + 12

Reorder the terms:
-91 + -9x = 12 + 7x

Solving
-91 + -9x = 12 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-91 + -9x + -7x = 12 + 7x + -7x

Combine like terms: -9x + -7x = -16x
-91 + -16x = 12 + 7x + -7x

Combine like terms: 7x + -7x = 0
-91 + -16x = 12 + 0
-91 + -16x = 12

Add '91' to each side of the equation.
-91 + 91 + -16x = 12 + 91

Combine like terms: -91 + 91 = 0
0 + -16x = 12 + 91
-16x = 12 + 91

Combine like terms: 12 + 91 = 103
-16x = 103

Divide each side by '-16'.
x = -6.4375

Simplifying
x = -6.4375

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