90+x+2x+(x-30)=360

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Solution for 90+x+2x+(x-30)=360 equation:


Simplifying
90 + x + 2x + (x + -30) = 360

Reorder the terms:
90 + x + 2x + (-30 + x) = 360

Remove parenthesis around (-30 + x)
90 + x + 2x + -30 + x = 360

Reorder the terms:
90 + -30 + x + 2x + x = 360

Combine like terms: 90 + -30 = 60
60 + x + 2x + x = 360

Combine like terms: x + 2x = 3x
60 + 3x + x = 360

Combine like terms: 3x + x = 4x
60 + 4x = 360

Solving
60 + 4x = 360

Solving for variable 'x'.

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

Add '-60' to each side of the equation.
60 + -60 + 4x = 360 + -60

Combine like terms: 60 + -60 = 0
0 + 4x = 360 + -60
4x = 360 + -60

Combine like terms: 360 + -60 = 300
4x = 300

Divide each side by '4'.
x = 75

Simplifying
x = 75

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