6x+7x-16=-81

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Solution for 6x+7x-16=-81 equation:


Simplifying
6x + 7x + -16 = -81

Reorder the terms:
-16 + 6x + 7x = -81

Combine like terms: 6x + 7x = 13x
-16 + 13x = -81

Solving
-16 + 13x = -81

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 13x = -81 + 16

Combine like terms: -16 + 16 = 0
0 + 13x = -81 + 16
13x = -81 + 16

Combine like terms: -81 + 16 = -65
13x = -65

Divide each side by '13'.
x = -5

Simplifying
x = -5

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