7(x-1)=9-x

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


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

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

Solving
-7 + 7x = 9 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-7 + 7x + x = 9 + -1x + x

Combine like terms: 7x + x = 8x
-7 + 8x = 9 + -1x + x

Combine like terms: -1x + x = 0
-7 + 8x = 9 + 0
-7 + 8x = 9

Add '7' to each side of the equation.
-7 + 7 + 8x = 9 + 7

Combine like terms: -7 + 7 = 0
0 + 8x = 9 + 7
8x = 9 + 7

Combine like terms: 9 + 7 = 16
8x = 16

Divide each side by '8'.
x = 2

Simplifying
x = 2

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