77=3x+20

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Solution for 77=3x+20 equation:


Simplifying
77 = 3x + 20

Reorder the terms:
77 = 20 + 3x

Solving
77 = 20 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
77 + -3x = 20 + 3x + -3x

Combine like terms: 3x + -3x = 0
77 + -3x = 20 + 0
77 + -3x = 20

Add '-77' to each side of the equation.
77 + -77 + -3x = 20 + -77

Combine like terms: 77 + -77 = 0
0 + -3x = 20 + -77
-3x = 20 + -77

Combine like terms: 20 + -77 = -57
-3x = -57

Divide each side by '-3'.
x = 19

Simplifying
x = 19

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