-81=6x+x-16

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


Simplifying
-81 = 6x + x + -16

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

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

Solving
-81 = -16 + 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.
-81 + -7x = -16 + 7x + -7x

Combine like terms: 7x + -7x = 0
-81 + -7x = -16 + 0
-81 + -7x = -16

Add '81' to each side of the equation.
-81 + 81 + -7x = -16 + 81

Combine like terms: -81 + 81 = 0
0 + -7x = -16 + 81
-7x = -16 + 81

Combine like terms: -16 + 81 = 65
-7x = 65

Divide each side by '-7'.
x = -9.285714286

Simplifying
x = -9.285714286

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