8(x-10)=9x-81

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Solution for 8(x-10)=9x-81 equation:


Simplifying
8(x + -10) = 9x + -81

Reorder the terms:
8(-10 + x) = 9x + -81
(-10 * 8 + x * 8) = 9x + -81
(-80 + 8x) = 9x + -81

Reorder the terms:
-80 + 8x = -81 + 9x

Solving
-80 + 8x = -81 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-80 + 8x + -9x = -81 + 9x + -9x

Combine like terms: 8x + -9x = -1x
-80 + -1x = -81 + 9x + -9x

Combine like terms: 9x + -9x = 0
-80 + -1x = -81 + 0
-80 + -1x = -81

Add '80' to each side of the equation.
-80 + 80 + -1x = -81 + 80

Combine like terms: -80 + 80 = 0
0 + -1x = -81 + 80
-1x = -81 + 80

Combine like terms: -81 + 80 = -1
-1x = -1

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

Simplifying
x = 1

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