3x-4(x+16)=-72

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Solution for 3x-4(x+16)=-72 equation:


Simplifying
3x + -4(x + 16) = -72

Reorder the terms:
3x + -4(16 + x) = -72
3x + (16 * -4 + x * -4) = -72
3x + (-64 + -4x) = -72

Reorder the terms:
-64 + 3x + -4x = -72

Combine like terms: 3x + -4x = -1x
-64 + -1x = -72

Solving
-64 + -1x = -72

Solving for variable 'x'.

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

Add '64' to each side of the equation.
-64 + 64 + -1x = -72 + 64

Combine like terms: -64 + 64 = 0
0 + -1x = -72 + 64
-1x = -72 + 64

Combine like terms: -72 + 64 = -8
-1x = -8

Divide each side by '-1'.
x = 8

Simplifying
x = 8

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