3(8-4x-4x)+4(5x+4)=20

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Solution for 3(8-4x-4x)+4(5x+4)=20 equation:


Simplifying
3(8 + -4x + -4x) + 4(5x + 4) = 20

Combine like terms: -4x + -4x = -8x
3(8 + -8x) + 4(5x + 4) = 20
(8 * 3 + -8x * 3) + 4(5x + 4) = 20
(24 + -24x) + 4(5x + 4) = 20

Reorder the terms:
24 + -24x + 4(4 + 5x) = 20
24 + -24x + (4 * 4 + 5x * 4) = 20
24 + -24x + (16 + 20x) = 20

Reorder the terms:
24 + 16 + -24x + 20x = 20

Combine like terms: 24 + 16 = 40
40 + -24x + 20x = 20

Combine like terms: -24x + 20x = -4x
40 + -4x = 20

Solving
40 + -4x = 20

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + -4x = 20 + -40

Combine like terms: 40 + -40 = 0
0 + -4x = 20 + -40
-4x = 20 + -40

Combine like terms: 20 + -40 = -20
-4x = -20

Divide each side by '-4'.
x = 5

Simplifying
x = 5

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