180=85+2X-7

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Solution for 180=85+2X-7 equation:


Simplifying
180 = 85 + 2X + -7

Reorder the terms:
180 = 85 + -7 + 2X

Combine like terms: 85 + -7 = 78
180 = 78 + 2X

Solving
180 = 78 + 2X

Solving for variable 'X'.

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

Add '-2X' to each side of the equation.
180 + -2X = 78 + 2X + -2X

Combine like terms: 2X + -2X = 0
180 + -2X = 78 + 0
180 + -2X = 78

Add '-180' to each side of the equation.
180 + -180 + -2X = 78 + -180

Combine like terms: 180 + -180 = 0
0 + -2X = 78 + -180
-2X = 78 + -180

Combine like terms: 78 + -180 = -102
-2X = -102

Divide each side by '-2'.
X = 51

Simplifying
X = 51

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