56=4(a+9)

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Solution for 56=4(a+9) equation:


Simplifying
56 = 4(a + 9)

Reorder the terms:
56 = 4(9 + a)
56 = (9 * 4 + a * 4)
56 = (36 + 4a)

Solving
56 = 36 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
56 + -4a = 36 + 4a + -4a

Combine like terms: 4a + -4a = 0
56 + -4a = 36 + 0
56 + -4a = 36

Add '-56' to each side of the equation.
56 + -56 + -4a = 36 + -56

Combine like terms: 56 + -56 = 0
0 + -4a = 36 + -56
-4a = 36 + -56

Combine like terms: 36 + -56 = -20
-4a = -20

Divide each side by '-4'.
a = 5

Simplifying
a = 5

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