8x+9=72x-9

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Solution for 8x+9=72x-9 equation:


Simplifying
8x + 9 = 72x + -9

Reorder the terms:
9 + 8x = 72x + -9

Reorder the terms:
9 + 8x = -9 + 72x

Solving
9 + 8x = -9 + 72x

Solving for variable 'x'.

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

Add '-72x' to each side of the equation.
9 + 8x + -72x = -9 + 72x + -72x

Combine like terms: 8x + -72x = -64x
9 + -64x = -9 + 72x + -72x

Combine like terms: 72x + -72x = 0
9 + -64x = -9 + 0
9 + -64x = -9

Add '-9' to each side of the equation.
9 + -9 + -64x = -9 + -9

Combine like terms: 9 + -9 = 0
0 + -64x = -9 + -9
-64x = -9 + -9

Combine like terms: -9 + -9 = -18
-64x = -18

Divide each side by '-64'.
x = 0.28125

Simplifying
x = 0.28125

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