3x+12=20-4x

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Solution for 3x+12=20-4x equation:


Simplifying
3x + 12 = 20 + -4x

Reorder the terms:
12 + 3x = 20 + -4x

Solving
12 + 3x = 20 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
12 + 3x + 4x = 20 + -4x + 4x

Combine like terms: 3x + 4x = 7x
12 + 7x = 20 + -4x + 4x

Combine like terms: -4x + 4x = 0
12 + 7x = 20 + 0
12 + 7x = 20

Add '-12' to each side of the equation.
12 + -12 + 7x = 20 + -12

Combine like terms: 12 + -12 = 0
0 + 7x = 20 + -12
7x = 20 + -12

Combine like terms: 20 + -12 = 8
7x = 8

Divide each side by '7'.
x = 1.142857143

Simplifying
x = 1.142857143

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