4a+28=64

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Solution for 4a+28=64 equation: 


Simplifying
4a + 28 = 64

Reorder the terms:
28 + 4a = 64

Solving
28 + 4a = 64

Solving for variable 'a'.

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

Add '-28' to each side of the equation.
28 + -28 + 4a = 64 + -28

Combine like terms: 28 + -28 = 0
0 + 4a = 64 + -28
4a = 64 + -28

Combine like terms: 64 + -28 = 36
4a = 36

Divide each side by '4'.
a = 9

Simplifying
a = 9

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