9(x+2)=81(x+1)

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Solution for 9(x+2)=81(x+1) equation:


Simplifying
9(x + 2) = 81(x + 1)

Reorder the terms:
9(2 + x) = 81(x + 1)
(2 * 9 + x * 9) = 81(x + 1)
(18 + 9x) = 81(x + 1)

Reorder the terms:
18 + 9x = 81(1 + x)
18 + 9x = (1 * 81 + x * 81)
18 + 9x = (81 + 81x)

Solving
18 + 9x = 81 + 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.
18 + 9x + -81x = 81 + 81x + -81x

Combine like terms: 9x + -81x = -72x
18 + -72x = 81 + 81x + -81x

Combine like terms: 81x + -81x = 0
18 + -72x = 81 + 0
18 + -72x = 81

Add '-18' to each side of the equation.
18 + -18 + -72x = 81 + -18

Combine like terms: 18 + -18 = 0
0 + -72x = 81 + -18
-72x = 81 + -18

Combine like terms: 81 + -18 = 63
-72x = 63

Divide each side by '-72'.
x = -0.875

Simplifying
x = -0.875

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