5x+75+2x-21=180

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Solution for 5x+75+2x-21=180 equation:


Simplifying
5x + 75 + 2x + -21 = 180

Reorder the terms:
75 + -21 + 5x + 2x = 180

Combine like terms: 75 + -21 = 54
54 + 5x + 2x = 180

Combine like terms: 5x + 2x = 7x
54 + 7x = 180

Solving
54 + 7x = 180

Solving for variable 'x'.

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

Add '-54' to each side of the equation.
54 + -54 + 7x = 180 + -54

Combine like terms: 54 + -54 = 0
0 + 7x = 180 + -54
7x = 180 + -54

Combine like terms: 180 + -54 = 126
7x = 126

Divide each side by '7'.
x = 18

Simplifying
x = 18

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