4(5+x)=4(4x-1)-72

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Solution for 4(5+x)=4(4x-1)-72 equation:


Simplifying
4(5 + x) = 4(4x + -1) + -72
(5 * 4 + x * 4) = 4(4x + -1) + -72
(20 + 4x) = 4(4x + -1) + -72

Reorder the terms:
20 + 4x = 4(-1 + 4x) + -72
20 + 4x = (-1 * 4 + 4x * 4) + -72
20 + 4x = (-4 + 16x) + -72

Reorder the terms:
20 + 4x = -4 + -72 + 16x

Combine like terms: -4 + -72 = -76
20 + 4x = -76 + 16x

Solving
20 + 4x = -76 + 16x

Solving for variable 'x'.

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

Add '-16x' to each side of the equation.
20 + 4x + -16x = -76 + 16x + -16x

Combine like terms: 4x + -16x = -12x
20 + -12x = -76 + 16x + -16x

Combine like terms: 16x + -16x = 0
20 + -12x = -76 + 0
20 + -12x = -76

Add '-20' to each side of the equation.
20 + -20 + -12x = -76 + -20

Combine like terms: 20 + -20 = 0
0 + -12x = -76 + -20
-12x = -76 + -20

Combine like terms: -76 + -20 = -96
-12x = -96

Divide each side by '-12'.
x = 8

Simplifying
x = 8

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