4(a+3)=28

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Solution for 4(a+3)=28 equation: 


Simplifying
4(a + 3) = 28

Reorder the terms:
4(3 + a) = 28
(3 * 4 + a * 4) = 28
(12 + 4a) = 28

Solving
12 + 4a = 28

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 = 28 + -12

Combine like terms: 12 + -12 = 0
0 + 4a = 28 + -12
4a = 28 + -12

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

Divide each side by '4'.
a = 4

Simplifying
a = 4

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