9(a-4)=28

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Solution for 9(a-4)=28 equation:


Simplifying
9(a + -4) = 28

Reorder the terms:
9(-4 + a) = 28
(-4 * 9 + a * 9) = 28
(-36 + 9a) = 28

Solving
-36 + 9a = 28

Solving for variable 'a'.

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

Add '36' to each side of the equation.
-36 + 36 + 9a = 28 + 36

Combine like terms: -36 + 36 = 0
0 + 9a = 28 + 36
9a = 28 + 36

Combine like terms: 28 + 36 = 64
9a = 64

Divide each side by '9'.
a = 7.111111111

Simplifying
a = 7.111111111

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