8x+4(x-1)=20

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Solution for 8x+4(x-1)=20 equation: 


Simplifying
8x + 4(x + -1) = 20

Reorder the terms:
8x + 4(-1 + x) = 20
8x + (-1 * 4 + x * 4) = 20
8x + (-4 + 4x) = 20

Reorder the terms:
-4 + 8x + 4x = 20

Combine like terms: 8x + 4x = 12x
-4 + 12x = 20

Solving
-4 + 12x = 20

Solving for variable 'x'.

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

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

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

Combine like terms: 20 + 4 = 24
12x = 24

Divide each side by '12'.
x = 2

Simplifying
x = 2

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