4(a-4)=56

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Solution for 4(a-4)=56 equation: 


Simplifying
4(a + -4) = 56

Reorder the terms:
4(-4 + a) = 56
(-4 * 4 + a * 4) = 56
(-16 + 4a) = 56

Solving
-16 + 4a = 56

Solving for variable 'a'.

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

Add '16' to each side of the equation.
-16 + 16 + 4a = 56 + 16

Combine like terms: -16 + 16 = 0
0 + 4a = 56 + 16
4a = 56 + 16

Combine like terms: 56 + 16 = 72
4a = 72

Divide each side by '4'.
a = 18

Simplifying
a = 18

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