(x-30)+(3x+10)=180

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Solution for (x-30)+(3x+10)=180 equation:


Simplifying
(x + -30) + (3x + 10) = 180

Reorder the terms:
(-30 + x) + (3x + 10) = 180

Remove parenthesis around (-30 + x)
-30 + x + (3x + 10) = 180

Reorder the terms:
-30 + x + (10 + 3x) = 180

Remove parenthesis around (10 + 3x)
-30 + x + 10 + 3x = 180

Reorder the terms:
-30 + 10 + x + 3x = 180

Combine like terms: -30 + 10 = -20
-20 + x + 3x = 180

Combine like terms: x + 3x = 4x
-20 + 4x = 180

Solving
-20 + 4x = 180

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 4x = 180 + 20

Combine like terms: -20 + 20 = 0
0 + 4x = 180 + 20
4x = 180 + 20

Combine like terms: 180 + 20 = 200
4x = 200

Divide each side by '4'.
x = 50

Simplifying
x = 50

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