9x-40+3x-30=180

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Solution for 9x-40+3x-30=180 equation:


Simplifying
9x + -40 + 3x + -30 = 180

Reorder the terms:
-40 + -30 + 9x + 3x = 180

Combine like terms: -40 + -30 = -70
-70 + 9x + 3x = 180

Combine like terms: 9x + 3x = 12x
-70 + 12x = 180

Solving
-70 + 12x = 180

Solving for variable 'x'.

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

Add '70' to each side of the equation.
-70 + 70 + 12x = 180 + 70

Combine like terms: -70 + 70 = 0
0 + 12x = 180 + 70
12x = 180 + 70

Combine like terms: 180 + 70 = 250
12x = 250

Divide each side by '12'.
x = 20.83333333

Simplifying
x = 20.83333333

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