7-2x=9(x-1)

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Solution for 7-2x=9(x-1) equation:


Simplifying
7 + -2x = 9(x + -1)

Reorder the terms:
7 + -2x = 9(-1 + x)
7 + -2x = (-1 * 9 + x * 9)
7 + -2x = (-9 + 9x)

Solving
7 + -2x = -9 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
7 + -2x + -9x = -9 + 9x + -9x

Combine like terms: -2x + -9x = -11x
7 + -11x = -9 + 9x + -9x

Combine like terms: 9x + -9x = 0
7 + -11x = -9 + 0
7 + -11x = -9

Add '-7' to each side of the equation.
7 + -7 + -11x = -9 + -7

Combine like terms: 7 + -7 = 0
0 + -11x = -9 + -7
-11x = -9 + -7

Combine like terms: -9 + -7 = -16
-11x = -16

Divide each side by '-11'.
x = 1.454545455

Simplifying
x = 1.454545455

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