81-8x=7x+6

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Solution for 81-8x=7x+6 equation:


Simplifying
81 + -8x = 7x + 6

Reorder the terms:
81 + -8x = 6 + 7x

Solving
81 + -8x = 6 + 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 + -8x + -7x = 6 + 7x + -7x

Combine like terms: -8x + -7x = -15x
81 + -15x = 6 + 7x + -7x

Combine like terms: 7x + -7x = 0
81 + -15x = 6 + 0
81 + -15x = 6

Add '-81' to each side of the equation.
81 + -81 + -15x = 6 + -81

Combine like terms: 81 + -81 = 0
0 + -15x = 6 + -81
-15x = 6 + -81

Combine like terms: 6 + -81 = -75
-15x = -75

Divide each side by '-15'.
x = 5

Simplifying
x = 5

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