(X-30)+(2x+10)=90

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Solution for (X-30)+(2x+10)=90 equation:


Simplifying
(X + -30) + (2x + 10) = 90

Reorder the terms:
(-30 + X) + (2x + 10) = 90

Remove parenthesis around (-30 + X)
-30 + X + (2x + 10) = 90

Reorder the terms:
-30 + X + (10 + 2x) = 90

Remove parenthesis around (10 + 2x)
-30 + X + 10 + 2x = 90

Reorder the terms:
-30 + 10 + X + 2x = 90

Combine like terms: -30 + 10 = -20
-20 + X + 2x = 90

Solving
-20 + X + 2x = 90

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 + X + 20 + 2x = 90 + 20

Reorder the terms:
-20 + 20 + X + 2x = 90 + 20

Combine like terms: -20 + 20 = 0
0 + X + 2x = 90 + 20
X + 2x = 90 + 20

Combine like terms: 90 + 20 = 110
X + 2x = 110

Add '-2x' to each side of the equation.
X + 2x + -2x = 110 + -2x

Combine like terms: 2x + -2x = 0
X + 0 = 110 + -2x
X = 110 + -2x

Simplifying
X = 110 + -2x

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