(2x+21)+90=180

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Solution for (2x+21)+90=180 equation:


Simplifying
(2x + 21) + 90 = 180

Reorder the terms:
(21 + 2x) + 90 = 180

Remove parenthesis around (21 + 2x)
21 + 2x + 90 = 180

Reorder the terms:
21 + 90 + 2x = 180

Combine like terms: 21 + 90 = 111
111 + 2x = 180

Solving
111 + 2x = 180

Solving for variable 'x'.

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

Add '-111' to each side of the equation.
111 + -111 + 2x = 180 + -111

Combine like terms: 111 + -111 = 0
0 + 2x = 180 + -111
2x = 180 + -111

Combine like terms: 180 + -111 = 69
2x = 69

Divide each side by '2'.
x = 34.5

Simplifying
x = 34.5

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