77-7x=20x+20

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Solution for 77-7x=20x+20 equation:


Simplifying
77 + -7x = 20x + 20

Reorder the terms:
77 + -7x = 20 + 20x

Solving
77 + -7x = 20 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
77 + -7x + -20x = 20 + 20x + -20x

Combine like terms: -7x + -20x = -27x
77 + -27x = 20 + 20x + -20x

Combine like terms: 20x + -20x = 0
77 + -27x = 20 + 0
77 + -27x = 20

Add '-77' to each side of the equation.
77 + -77 + -27x = 20 + -77

Combine like terms: 77 + -77 = 0
0 + -27x = 20 + -77
-27x = 20 + -77

Combine like terms: 20 + -77 = -57
-27x = -57

Divide each side by '-27'.
x = 2.111111111

Simplifying
x = 2.111111111

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