4(5+4x)+4(-4-5x)=-4

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


Simplifying
4(5 + 4x) + 4(-4 + -5x) = -4
(5 * 4 + 4x * 4) + 4(-4 + -5x) = -4
(20 + 16x) + 4(-4 + -5x) = -4
20 + 16x + (-4 * 4 + -5x * 4) = -4
20 + 16x + (-16 + -20x) = -4

Reorder the terms:
20 + -16 + 16x + -20x = -4

Combine like terms: 20 + -16 = 4
4 + 16x + -20x = -4

Combine like terms: 16x + -20x = -4x
4 + -4x = -4

Solving
4 + -4x = -4

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 + -4x = -4 + -4

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

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

Divide each side by '-4'.
x = 2

Simplifying
x = 2

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