15=4x+a

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Solution for 15=4x+a equation:


Simplifying
15 = 4x + a

Reorder the terms:
15 = a + 4x

Solving
15 = a + 4x

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
15 + -1a = a + -1a + 4x

Combine like terms: a + -1a = 0
15 + -1a = 0 + 4x
15 + -1a = 4x

Add '-15' to each side of the equation.
15 + -15 + -1a = -15 + 4x

Combine like terms: 15 + -15 = 0
0 + -1a = -15 + 4x
-1a = -15 + 4x

Divide each side by '-1'.
a = 15 + -4x

Simplifying
a = 15 + -4x

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