3x+2(x-4)=12

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Solution for 3x+2(x-4)=12 equation:


Simplifying
3x + 2(x + -4) = 12

Reorder the terms:
3x + 2(-4 + x) = 12
3x + (-4 * 2 + x * 2) = 12
3x + (-8 + 2x) = 12

Reorder the terms:
-8 + 3x + 2x = 12

Combine like terms: 3x + 2x = 5x
-8 + 5x = 12

Solving
-8 + 5x = 12

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 5x = 12 + 8

Combine like terms: -8 + 8 = 0
0 + 5x = 12 + 8
5x = 12 + 8

Combine like terms: 12 + 8 = 20
5x = 20

Divide each side by '5'.
x = 4

Simplifying
x = 4

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