2x-9=71-8x

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Solution for 2x-9=71-8x equation:


Simplifying
2x + -9 = 71 + -8x

Reorder the terms:
-9 + 2x = 71 + -8x

Solving
-9 + 2x = 71 + -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 + 2x + 8x = 71 + -8x + 8x

Combine like terms: 2x + 8x = 10x
-9 + 10x = 71 + -8x + 8x

Combine like terms: -8x + 8x = 0
-9 + 10x = 71 + 0
-9 + 10x = 71

Add '9' to each side of the equation.
-9 + 9 + 10x = 71 + 9

Combine like terms: -9 + 9 = 0
0 + 10x = 71 + 9
10x = 71 + 9

Combine like terms: 71 + 9 = 80
10x = 80

Divide each side by '10'.
x = 8

Simplifying
x = 8

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