x+2x-100=x+50+x-20

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Solution for x+2x-100=x+50+x-20 equation:


Simplifying
x + 2x + -100 = x + 50 + x + -20

Reorder the terms:
-100 + x + 2x = x + 50 + x + -20

Combine like terms: x + 2x = 3x
-100 + 3x = x + 50 + x + -20

Reorder the terms:
-100 + 3x = 50 + -20 + x + x

Combine like terms: 50 + -20 = 30
-100 + 3x = 30 + x + x

Combine like terms: x + x = 2x
-100 + 3x = 30 + 2x

Solving
-100 + 3x = 30 + 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.
-100 + 3x + -2x = 30 + 2x + -2x

Combine like terms: 3x + -2x = 1x
-100 + 1x = 30 + 2x + -2x

Combine like terms: 2x + -2x = 0
-100 + 1x = 30 + 0
-100 + 1x = 30

Add '100' to each side of the equation.
-100 + 100 + 1x = 30 + 100

Combine like terms: -100 + 100 = 0
0 + 1x = 30 + 100
1x = 30 + 100

Combine like terms: 30 + 100 = 130
1x = 130

Divide each side by '1'.
x = 130

Simplifying
x = 130

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