15=ab+8

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Solution for 15=ab+8 equation:


Simplifying
15 = ab + 8

Reorder the terms:
15 = 8 + ab

Solving
15 = 8 + ab

Solving for variable 'a'.

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

Add '-1ab' to each side of the equation.
15 + -1ab = 8 + ab + -1ab

Combine like terms: ab + -1ab = 0
15 + -1ab = 8 + 0
15 + -1ab = 8

Add '-15' to each side of the equation.
15 + -15 + -1ab = 8 + -15

Combine like terms: 15 + -15 = 0
0 + -1ab = 8 + -15
-1ab = 8 + -15

Combine like terms: 8 + -15 = -7
-1ab = -7

Divide each side by '-1b'.
a = 7b-1

Simplifying
a = 7b-1

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