21-x+2x-3x+5=180

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Solution for 21-x+2x-3x+5=180 equation:


Simplifying
21 + -1x + 2x + -3x + 5 = 180

Reorder the terms:
21 + 5 + -1x + 2x + -3x = 180

Combine like terms: 21 + 5 = 26
26 + -1x + 2x + -3x = 180

Combine like terms: -1x + 2x = 1x
26 + 1x + -3x = 180

Combine like terms: 1x + -3x = -2x
26 + -2x = 180

Solving
26 + -2x = 180

Solving for variable 'x'.

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

Add '-26' to each side of the equation.
26 + -26 + -2x = 180 + -26

Combine like terms: 26 + -26 = 0
0 + -2x = 180 + -26
-2x = 180 + -26

Combine like terms: 180 + -26 = 154
-2x = 154

Divide each side by '-2'.
x = -77

Simplifying
x = -77

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