(x-40)+x+2(x-40)=380

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Solution for (x-40)+x+2(x-40)=380 equation:


Simplifying
(x + -40) + x + 2(x + -40) = 380

Reorder the terms:
(-40 + x) + x + 2(x + -40) = 380

Remove parenthesis around (-40 + x)
-40 + x + x + 2(x + -40) = 380

Reorder the terms:
-40 + x + x + 2(-40 + x) = 380
-40 + x + x + (-40 * 2 + x * 2) = 380
-40 + x + x + (-80 + 2x) = 380

Reorder the terms:
-40 + -80 + x + x + 2x = 380

Combine like terms: -40 + -80 = -120
-120 + x + x + 2x = 380

Combine like terms: x + x = 2x
-120 + 2x + 2x = 380

Combine like terms: 2x + 2x = 4x
-120 + 4x = 380

Solving
-120 + 4x = 380

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 + 4x = 380 + 120

Combine like terms: -120 + 120 = 0
0 + 4x = 380 + 120
4x = 380 + 120

Combine like terms: 380 + 120 = 500
4x = 500

Divide each side by '4'.
x = 125

Simplifying
x = 125

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