4(a-3)=16

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Solution for 4(a-3)=16 equation: 


Simplifying
4(a + -3) = 16

Reorder the terms:
4(-3 + a) = 16
(-3 * 4 + a * 4) = 16
(-12 + 4a) = 16

Solving
-12 + 4a = 16

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + 12 + 4a = 16 + 12

Combine like terms: -12 + 12 = 0
0 + 4a = 16 + 12
4a = 16 + 12

Combine like terms: 16 + 12 = 28
4a = 28

Divide each side by '4'.
a = 7

Simplifying
a = 7

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