71-7x=2x+20

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Solution for 71-7x=2x+20 equation:


Simplifying
71 + -7x = 2x + 20

Reorder the terms:
71 + -7x = 20 + 2x

Solving
71 + -7x = 20 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
71 + -7x + -2x = 20 + 2x + -2x

Combine like terms: -7x + -2x = -9x
71 + -9x = 20 + 2x + -2x

Combine like terms: 2x + -2x = 0
71 + -9x = 20 + 0
71 + -9x = 20

Add '-71' to each side of the equation.
71 + -71 + -9x = 20 + -71

Combine like terms: 71 + -71 = 0
0 + -9x = 20 + -71
-9x = 20 + -71

Combine like terms: 20 + -71 = -51
-9x = -51

Divide each side by '-9'.
x = 5.666666667

Simplifying
x = 5.666666667

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