6x+138+9x+297=180

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Solution for 6x+138+9x+297=180 equation:


Simplifying
6x + 138 + 9x + 297 = 180

Reorder the terms:
138 + 297 + 6x + 9x = 180

Combine like terms: 138 + 297 = 435
435 + 6x + 9x = 180

Combine like terms: 6x + 9x = 15x
435 + 15x = 180

Solving
435 + 15x = 180

Solving for variable 'x'.

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

Add '-435' to each side of the equation.
435 + -435 + 15x = 180 + -435

Combine like terms: 435 + -435 = 0
0 + 15x = 180 + -435
15x = 180 + -435

Combine like terms: 180 + -435 = -255
15x = -255

Divide each side by '15'.
x = -17

Simplifying
x = -17

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