3x+20=2x+20-2r-40

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Solution for 3x+20=2x+20-2r-40 equation:


Simplifying
3x + 20 = 2x + 20 + -2r + -40

Reorder the terms:
20 + 3x = 2x + 20 + -2r + -40

Reorder the terms:
20 + 3x = 20 + -40 + -2r + 2x

Combine like terms: 20 + -40 = -20
20 + 3x = -20 + -2r + 2x

Solving
20 + 3x = -20 + -2r + 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.
20 + 3x + -2x = -20 + -2r + 2x + -2x

Combine like terms: 3x + -2x = 1x
20 + 1x = -20 + -2r + 2x + -2x

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

Add '-20' to each side of the equation.
20 + -20 + 1x = -20 + -20 + -2r

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

Combine like terms: -20 + -20 = -40
1x = -40 + -2r

Divide each side by '1'.
x = -40 + -2r

Simplifying
x = -40 + -2r

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