x+x+30+3(2x+30)=180

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Solution for x+x+30+3(2x+30)=180 equation:


Simplifying
x + x + 30 + 3(2x + 30) = 180

Reorder the terms:
x + x + 30 + 3(30 + 2x) = 180
x + x + 30 + (30 * 3 + 2x * 3) = 180
x + x + 30 + (90 + 6x) = 180

Reorder the terms:
30 + 90 + x + x + 6x = 180

Combine like terms: 30 + 90 = 120
120 + x + x + 6x = 180

Combine like terms: x + x = 2x
120 + 2x + 6x = 180

Combine like terms: 2x + 6x = 8x
120 + 8x = 180

Solving
120 + 8x = 180

Solving for variable 'x'.

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

Add '-120' to each side of the equation.
120 + -120 + 8x = 180 + -120

Combine like terms: 120 + -120 = 0
0 + 8x = 180 + -120
8x = 180 + -120

Combine like terms: 180 + -120 = 60
8x = 60

Divide each side by '8'.
x = 7.5

Simplifying
x = 7.5

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