a*b=7a+3b

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Solution for a*b=7a+3b equation: 


Simplifying
a * b = 7a + 3b

Multiply a * b
ab = 7a + 3b

Solving
ab = 7a + 3b

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
-7a + ab = 7a + -7a + 3b

Combine like terms: 7a + -7a = 0
-7a + ab = 0 + 3b
-7a + ab = 3b

Combine like terms: 3b + -3b = 0
-7a + ab + -3b = 0

The solution to this equation could not be determined.

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