9x-5=81x-7

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Solution for 9x-5=81x-7 equation:


Simplifying
9x + -5 = 81x + -7

Reorder the terms:
-5 + 9x = 81x + -7

Reorder the terms:
-5 + 9x = -7 + 81x

Solving
-5 + 9x = -7 + 81x

Solving for variable 'x'.

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

Add '-81x' to each side of the equation.
-5 + 9x + -81x = -7 + 81x + -81x

Combine like terms: 9x + -81x = -72x
-5 + -72x = -7 + 81x + -81x

Combine like terms: 81x + -81x = 0
-5 + -72x = -7 + 0
-5 + -72x = -7

Add '5' to each side of the equation.
-5 + 5 + -72x = -7 + 5

Combine like terms: -5 + 5 = 0
0 + -72x = -7 + 5
-72x = -7 + 5

Combine like terms: -7 + 5 = -2
-72x = -2

Divide each side by '-72'.
x = 0.02777777778

Simplifying
x = 0.02777777778

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