3x-10+x+30=180

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Solution for 3x-10+x+30=180 equation:


Simplifying
3x + -10 + x + 30 = 180

Reorder the terms:
-10 + 30 + 3x + x = 180

Combine like terms: -10 + 30 = 20
20 + 3x + x = 180

Combine like terms: 3x + x = 4x
20 + 4x = 180

Solving
20 + 4x = 180

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 4x = 180 + -20

Combine like terms: 20 + -20 = 0
0 + 4x = 180 + -20
4x = 180 + -20

Combine like terms: 180 + -20 = 160
4x = 160

Divide each side by '4'.
x = 40

Simplifying
x = 40

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