90+(2x-20)+(x+10)+x=360

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Solution for 90+(2x-20)+(x+10)+x=360 equation: 


Simplifying
90 + (2x + -20) + (x + 10) + x = 360

Reorder the terms:
90 + (-20 + 2x) + (x + 10) + x = 360

Remove parenthesis around (-20 + 2x)
90 + -20 + 2x + (x + 10) + x = 360

Reorder the terms:
90 + -20 + 2x + (10 + x) + x = 360

Remove parenthesis around (10 + x)
90 + -20 + 2x + 10 + x + x = 360

Reorder the terms:
90 + -20 + 10 + 2x + x + x = 360

Combine like terms: 90 + -20 = 70
70 + 10 + 2x + x + x = 360

Combine like terms: 70 + 10 = 80
80 + 2x + x + x = 360

Combine like terms: 2x + x = 3x
80 + 3x + x = 360

Combine like terms: 3x + x = 4x
80 + 4x = 360

Solving
80 + 4x = 360

Solving for variable 'x'.

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

Add '-80' to each side of the equation.
80 + -80 + 4x = 360 + -80

Combine like terms: 80 + -80 = 0
0 + 4x = 360 + -80
4x = 360 + -80

Combine like terms: 360 + -80 = 280
4x = 280

Divide each side by '4'.
x = 70

Simplifying
x = 70

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