7a-b=15fora

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Solution for 7a-b=15fora equation:


Simplifying
7a + -1b = 15fora

Solving
7a + -1b = 15afor

Solving for variable 'a'.

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

Add '-15afor' to each side of the equation.
7a + -15afor + -1b = 15afor + -15afor

Combine like terms: 15afor + -15afor = 0
7a + -15afor + -1b = 0

Add 'b' to each side of the equation.
7a + -15afor + -1b + b = 0 + b

Combine like terms: -1b + b = 0
7a + -15afor + 0 = 0 + b
7a + -15afor = 0 + b
Remove the zero:
7a + -15afor = b

Combine like terms: b + -1b = 0
7a + -15afor + -1b = 0

The solution to this equation could not be determined.

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