Question

If (a,-5) is a solution to the equation 3a=2b-7 what is a?

Answer 1

Ok, so what you're going to want to do is input -5 as b into the equation.

Answer 2

So, 2*-5 is 10. Then, subtract 7 from that and you will get 3a = 3

Answer 3

Now, just multiply 3 by a number to equal 3.

Answer 4

Thanks

Answer 5

Anytime!