(4x-21)+(2x+87)=180

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Solution for (4x-21)+(2x+87)=180 equation:


Simplifying
(4x + -21) + (2x + 87) = 180

Reorder the terms:
(-21 + 4x) + (2x + 87) = 180

Remove parenthesis around (-21 + 4x)
-21 + 4x + (2x + 87) = 180

Reorder the terms:
-21 + 4x + (87 + 2x) = 180

Remove parenthesis around (87 + 2x)
-21 + 4x + 87 + 2x = 180

Reorder the terms:
-21 + 87 + 4x + 2x = 180

Combine like terms: -21 + 87 = 66
66 + 4x + 2x = 180

Combine like terms: 4x + 2x = 6x
66 + 6x = 180

Solving
66 + 6x = 180

Solving for variable 'x'.

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

Add '-66' to each side of the equation.
66 + -66 + 6x = 180 + -66

Combine like terms: 66 + -66 = 0
0 + 6x = 180 + -66
6x = 180 + -66

Combine like terms: 180 + -66 = 114
6x = 114

Divide each side by '6'.
x = 19

Simplifying
x = 19

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