55=15-8a

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Solution for 55=15-8a equation:


Simplifying
55 = 15 + -8a

Solving
55 = 15 + -8a

Solving for variable 'a'.

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

Add '8a' to each side of the equation.
55 + 8a = 15 + -8a + 8a

Combine like terms: -8a + 8a = 0
55 + 8a = 15 + 0
55 + 8a = 15

Add '-55' to each side of the equation.
55 + -55 + 8a = 15 + -55

Combine like terms: 55 + -55 = 0
0 + 8a = 15 + -55
8a = 15 + -55

Combine like terms: 15 + -55 = -40
8a = -40

Divide each side by '8'.
a = -5

Simplifying
a = -5

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