4(x+3)+4(x-1)=20

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Solution for 4(x+3)+4(x-1)=20 equation: 


Simplifying
4(x + 3) + 4(x + -1) = 20

Reorder the terms:
4(3 + x) + 4(x + -1) = 20
(3 * 4 + x * 4) + 4(x + -1) = 20
(12 + 4x) + 4(x + -1) = 20

Reorder the terms:
12 + 4x + 4(-1 + x) = 20
12 + 4x + (-1 * 4 + x * 4) = 20
12 + 4x + (-4 + 4x) = 20

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

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

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

Solving
8 + 8x = 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 + 8x = 20 + -8

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

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

Divide each side by '8'.
x = 1.5

Simplifying
x = 1.5

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