30x+30+10x-10=180

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


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

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

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

Combine like terms: 30x + 10x = 40x
20 + 40x = 180

Solving
20 + 40x = 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 + 40x = 180 + -20

Combine like terms: 20 + -20 = 0
0 + 40x = 180 + -20
40x = 180 + -20

Combine like terms: 180 + -20 = 160
40x = 160

Divide each side by '40'.
x = 4

Simplifying
x = 4

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