3x+20+4x-57=180

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Solution for 3x+20+4x-57=180 equation:


Simplifying
3x + 20 + 4x + -57 = 180

Reorder the terms:
20 + -57 + 3x + 4x = 180

Combine like terms: 20 + -57 = -37
-37 + 3x + 4x = 180

Combine like terms: 3x + 4x = 7x
-37 + 7x = 180

Solving
-37 + 7x = 180

Solving for variable 'x'.

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

Add '37' to each side of the equation.
-37 + 37 + 7x = 180 + 37

Combine like terms: -37 + 37 = 0
0 + 7x = 180 + 37
7x = 180 + 37

Combine like terms: 180 + 37 = 217
7x = 217

Divide each side by '7'.
x = 31

Simplifying
x = 31

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