x+x+(x-40)+(x-30)=360

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Solution for x+x+(x-40)+(x-30)=360 equation:


Simplifying
x + x + (x + -40) + (x + -30) = 360

Reorder the terms:
x + x + (-40 + x) + (x + -30) = 360

Remove parenthesis around (-40 + x)
x + x + -40 + x + (x + -30) = 360

Reorder the terms:
x + x + -40 + x + (-30 + x) = 360

Remove parenthesis around (-30 + x)
x + x + -40 + x + -30 + x = 360

Reorder the terms:
-40 + -30 + x + x + x + x = 360

Combine like terms: -40 + -30 = -70
-70 + x + x + x + x = 360

Combine like terms: x + x = 2x
-70 + 2x + x + x = 360

Combine like terms: 2x + x = 3x
-70 + 3x + x = 360

Combine like terms: 3x + x = 4x
-70 + 4x = 360

Solving
-70 + 4x = 360

Solving for variable 'x'.

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

Add '70' to each side of the equation.
-70 + 70 + 4x = 360 + 70

Combine like terms: -70 + 70 = 0
0 + 4x = 360 + 70
4x = 360 + 70

Combine like terms: 360 + 70 = 430
4x = 430

Divide each side by '4'.
x = 107.5

Simplifying
x = 107.5

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