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

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


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

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

Combine like terms: 3x + 3x = 6x
20 + 6x = 7x + -20

Reorder the terms:
20 + 6x = -20 + 7x

Solving
20 + 6x = -20 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
20 + 6x + -7x = -20 + 7x + -7x

Combine like terms: 6x + -7x = -1x
20 + -1x = -20 + 7x + -7x

Combine like terms: 7x + -7x = 0
20 + -1x = -20 + 0
20 + -1x = -20

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

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

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

Divide each side by '-1'.
x = 40

Simplifying
x = 40

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