2x+120+8x+78=180

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Solution for 2x+120+8x+78=180 equation:


Simplifying
2x + 120 + 8x + 78 = 180

Reorder the terms:
120 + 78 + 2x + 8x = 180

Combine like terms: 120 + 78 = 198
198 + 2x + 8x = 180

Combine like terms: 2x + 8x = 10x
198 + 10x = 180

Solving
198 + 10x = 180

Solving for variable 'x'.

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

Add '-198' to each side of the equation.
198 + -198 + 10x = 180 + -198

Combine like terms: 198 + -198 = 0
0 + 10x = 180 + -198
10x = 180 + -198

Combine like terms: 180 + -198 = -18
10x = -18

Divide each side by '10'.
x = -1.8

Simplifying
x = -1.8

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