15=-4a

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Solution for 15=-4a equation:


Simplifying
15 = -4a

Solving
15 = -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 = -4a + 4a

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

Add '-15' to each side of the equation.
15 + -15 + 4a = 0 + -15

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

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

Divide each side by '4'.
a = -3.75

Simplifying
a = -3.75

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