3x+2(x-4)=20

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Solution for 3x+2(x-4)=20 equation:


Simplifying
3x + 2(x + -4) = 20

Reorder the terms:
3x + 2(-4 + x) = 20
3x + (-4 * 2 + x * 2) = 20
3x + (-8 + 2x) = 20

Reorder the terms:
-8 + 3x + 2x = 20

Combine like terms: 3x + 2x = 5x
-8 + 5x = 20

Solving
-8 + 5x = 20

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 = 20 + 8

Combine like terms: -8 + 8 = 0
0 + 5x = 20 + 8
5x = 20 + 8

Combine like terms: 20 + 8 = 28
5x = 28

Divide each side by '5'.
x = 5.6

Simplifying
x = 5.6

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