x+30=2x-20

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Solution for x+30=2x-20 equation:


Simplifying
x + 30 = 2x + -20

Reorder the terms:
30 + x = 2x + -20

Reorder the terms:
30 + x = -20 + 2x

Solving
30 + x = -20 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
30 + x + -2x = -20 + 2x + -2x

Combine like terms: x + -2x = -1x
30 + -1x = -20 + 2x + -2x

Combine like terms: 2x + -2x = 0
30 + -1x = -20 + 0
30 + -1x = -20

Add '-30' to each side of the equation.
30 + -30 + -1x = -20 + -30

Combine like terms: 30 + -30 = 0
0 + -1x = -20 + -30
-1x = -20 + -30

Combine like terms: -20 + -30 = -50
-1x = -50

Divide each side by '-1'.
x = 50

Simplifying
x = 50

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