9(x+1)=6(x-1)

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Solution for 9(x+1)=6(x-1) equation:


Simplifying
9(x + 1) = 6(x + -1)

Reorder the terms:
9(1 + x) = 6(x + -1)
(1 * 9 + x * 9) = 6(x + -1)
(9 + 9x) = 6(x + -1)

Reorder the terms:
9 + 9x = 6(-1 + x)
9 + 9x = (-1 * 6 + x * 6)
9 + 9x = (-6 + 6x)

Solving
9 + 9x = -6 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
9 + 9x + -6x = -6 + 6x + -6x

Combine like terms: 9x + -6x = 3x
9 + 3x = -6 + 6x + -6x

Combine like terms: 6x + -6x = 0
9 + 3x = -6 + 0
9 + 3x = -6

Add '-9' to each side of the equation.
9 + -9 + 3x = -6 + -9

Combine like terms: 9 + -9 = 0
0 + 3x = -6 + -9
3x = -6 + -9

Combine like terms: -6 + -9 = -15
3x = -15

Divide each side by '3'.
x = -5

Simplifying
x = -5

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