9(x+1)=8x-1

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Solution for 9(x+1)=8x-1 equation:


Simplifying
9(x + 1) = 8x + -1

Reorder the terms:
9(1 + x) = 8x + -1
(1 * 9 + x * 9) = 8x + -1
(9 + 9x) = 8x + -1

Reorder the terms:
9 + 9x = -1 + 8x

Solving
9 + 9x = -1 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
9 + 9x + -8x = -1 + 8x + -8x

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

Combine like terms: 8x + -8x = 0
9 + 1x = -1 + 0
9 + 1x = -1

Add '-9' to each side of the equation.
9 + -9 + 1x = -1 + -9

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

Combine like terms: -1 + -9 = -10
1x = -10

Divide each side by '1'.
x = -10

Simplifying
x = -10

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