3x+12=5x+20

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Solution for 3x+12=5x+20 equation:


Simplifying
3x + 12 = 5x + 20

Reorder the terms:
12 + 3x = 5x + 20

Reorder the terms:
12 + 3x = 20 + 5x

Solving
12 + 3x = 20 + 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.
12 + 3x + -5x = 20 + 5x + -5x

Combine like terms: 3x + -5x = -2x
12 + -2x = 20 + 5x + -5x

Combine like terms: 5x + -5x = 0
12 + -2x = 20 + 0
12 + -2x = 20

Add '-12' to each side of the equation.
12 + -12 + -2x = 20 + -12

Combine like terms: 12 + -12 = 0
0 + -2x = 20 + -12
-2x = 20 + -12

Combine like terms: 20 + -12 = 8
-2x = 8

Divide each side by '-2'.
x = -4

Simplifying
x = -4

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