x+2x+(30+x)=150

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Solution for x+2x+(30+x)=150 equation:


Simplifying
x + 2x + (30 + x) = 150

Remove parenthesis around (30 + x)
x + 2x + 30 + x = 150

Reorder the terms:
30 + x + 2x + x = 150

Combine like terms: x + 2x = 3x
30 + 3x + x = 150

Combine like terms: 3x + x = 4x
30 + 4x = 150

Solving
30 + 4x = 150

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 4x = 150 + -30

Combine like terms: 30 + -30 = 0
0 + 4x = 150 + -30
4x = 150 + -30

Combine like terms: 150 + -30 = 120
4x = 120

Divide each side by '4'.
x = 30

Simplifying
x = 30

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