15=4a+4

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Solution for 15=4a+4 equation:


Simplifying
15 = 4a + 4

Reorder the terms:
15 = 4 + 4a

Solving
15 = 4 + 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.
15 + -4a = 4 + 4a + -4a

Combine like terms: 4a + -4a = 0
15 + -4a = 4 + 0
15 + -4a = 4

Add '-15' to each side of the equation.
15 + -15 + -4a = 4 + -15

Combine like terms: 15 + -15 = 0
0 + -4a = 4 + -15
-4a = 4 + -15

Combine like terms: 4 + -15 = -11
-4a = -11

Divide each side by '-4'.
a = 2.75

Simplifying
a = 2.75

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