(2x+3)+(2x+21)=180

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Solution for (2x+3)+(2x+21)=180 equation:


Simplifying
(2x + 3) + (2x + 21) = 180

Reorder the terms:
(3 + 2x) + (2x + 21) = 180

Remove parenthesis around (3 + 2x)
3 + 2x + (2x + 21) = 180

Reorder the terms:
3 + 2x + (21 + 2x) = 180

Remove parenthesis around (21 + 2x)
3 + 2x + 21 + 2x = 180

Reorder the terms:
3 + 21 + 2x + 2x = 180

Combine like terms: 3 + 21 = 24
24 + 2x + 2x = 180

Combine like terms: 2x + 2x = 4x
24 + 4x = 180

Solving
24 + 4x = 180

Solving for variable 'x'.

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

Add '-24' to each side of the equation.
24 + -24 + 4x = 180 + -24

Combine like terms: 24 + -24 = 0
0 + 4x = 180 + -24
4x = 180 + -24

Combine like terms: 180 + -24 = 156
4x = 156

Divide each side by '4'.
x = 39

Simplifying
x = 39

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