(3x-40)+(x+10)=180

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Solution for (3x-40)+(x+10)=180 equation:


Simplifying
(3x + -40) + (x + 10) = 180

Reorder the terms:
(-40 + 3x) + (x + 10) = 180

Remove parenthesis around (-40 + 3x)
-40 + 3x + (x + 10) = 180

Reorder the terms:
-40 + 3x + (10 + x) = 180

Remove parenthesis around (10 + x)
-40 + 3x + 10 + x = 180

Reorder the terms:
-40 + 10 + 3x + x = 180

Combine like terms: -40 + 10 = -30
-30 + 3x + x = 180

Combine like terms: 3x + x = 4x
-30 + 4x = 180

Solving
-30 + 4x = 180

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 = 180 + 30

Combine like terms: -30 + 30 = 0
0 + 4x = 180 + 30
4x = 180 + 30

Combine like terms: 180 + 30 = 210
4x = 210

Divide each side by '4'.
x = 52.5

Simplifying
x = 52.5

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