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6a-2-2=8\left(a-1\right)
Variable a cannot be equal to 1 since division by zero is not defined. Multiply both sides of the equation by a-1.
6a-4=8\left(a-1\right)
Subtract 2 from -2 to get -4.
6a-4=8a-8
Use the distributive property to multiply 8 by a-1.
6a-4-8a=-8
Subtract 8a from both sides.
-2a-4=-8
Combine 6a and -8a to get -2a.
-2a=-8+4
Add 4 to both sides.
-2a=-4
Add -8 and 4 to get -4.
a=\frac{-4}{-2}
Divide both sides by -2.
a=2
Divide -4 by -2 to get 2.