71-2x=8-9

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


Simplifying
71 + -2x = 8 + -9

Combine like terms: 8 + -9 = -1
71 + -2x = -1

Solving
71 + -2x = -1

Solving for variable 'x'.

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

Add '-71' to each side of the equation.
71 + -71 + -2x = -1 + -71

Combine like terms: 71 + -71 = 0
0 + -2x = -1 + -71
-2x = -1 + -71

Combine like terms: -1 + -71 = -72
-2x = -72

Divide each side by '-2'.
x = 36

Simplifying
x = 36

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