5x+140+2x+138=180

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Solution for 5x+140+2x+138=180 equation:


Simplifying
5x + 140 + 2x + 138 = 180

Reorder the terms:
140 + 138 + 5x + 2x = 180

Combine like terms: 140 + 138 = 278
278 + 5x + 2x = 180

Combine like terms: 5x + 2x = 7x
278 + 7x = 180

Solving
278 + 7x = 180

Solving for variable 'x'.

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

Add '-278' to each side of the equation.
278 + -278 + 7x = 180 + -278

Combine like terms: 278 + -278 = 0
0 + 7x = 180 + -278
7x = 180 + -278

Combine like terms: 180 + -278 = -98
7x = -98

Divide each side by '7'.
x = -14

Simplifying
x = -14

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