3x+20-x=7+5x-5

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Solution for 3x+20-x=7+5x-5 equation:


Simplifying
3x + 20 + -1x = 7 + 5x + -5

Reorder the terms:
20 + 3x + -1x = 7 + 5x + -5

Combine like terms: 3x + -1x = 2x
20 + 2x = 7 + 5x + -5

Reorder the terms:
20 + 2x = 7 + -5 + 5x

Combine like terms: 7 + -5 = 2
20 + 2x = 2 + 5x

Solving
20 + 2x = 2 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
20 + 2x + -5x = 2 + 5x + -5x

Combine like terms: 2x + -5x = -3x
20 + -3x = 2 + 5x + -5x

Combine like terms: 5x + -5x = 0
20 + -3x = 2 + 0
20 + -3x = 2

Add '-20' to each side of the equation.
20 + -20 + -3x = 2 + -20

Combine like terms: 20 + -20 = 0
0 + -3x = 2 + -20
-3x = 2 + -20

Combine like terms: 2 + -20 = -18
-3x = -18

Divide each side by '-3'.
x = 6

Simplifying
x = 6

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