21x+2+56+10x-2=180

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Solution for 21x+2+56+10x-2=180 equation:


Simplifying
21x + 2 + 56 + 10x + -2 = 180

Reorder the terms:
2 + 56 + -2 + 21x + 10x = 180

Combine like terms: 2 + 56 = 58
58 + -2 + 21x + 10x = 180

Combine like terms: 58 + -2 = 56
56 + 21x + 10x = 180

Combine like terms: 21x + 10x = 31x
56 + 31x = 180

Solving
56 + 31x = 180

Solving for variable 'x'.

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

Add '-56' to each side of the equation.
56 + -56 + 31x = 180 + -56

Combine like terms: 56 + -56 = 0
0 + 31x = 180 + -56
31x = 180 + -56

Combine like terms: 180 + -56 = 124
31x = 124

Divide each side by '31'.
x = 4

Simplifying
x = 4

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