2x+21+90=80

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Solution for 2x+21+90=80 equation:


Simplifying
2x + 21 + 90 = 80

Reorder the terms:
21 + 90 + 2x = 80

Combine like terms: 21 + 90 = 111
111 + 2x = 80

Solving
111 + 2x = 80

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 = 80 + -111

Combine like terms: 111 + -111 = 0
0 + 2x = 80 + -111
2x = 80 + -111

Combine like terms: 80 + -111 = -31
2x = -31

Divide each side by '2'.
x = -15.5

Simplifying
x = -15.5

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