Question

Is 6a-5=4a+9,6 A solution or not a solution?

Answer 1

6a-5=4a+9

Subtract 4a from each side

6a-4a-5=4a-4a+9

2a-5 = 9

Add 5 to each side

2a-5+5 = 9+5

2a = 14

Divide each side by 2

2a/2 = 14/2

a = 7

The solution to the equation is 7

a=6 is not a solution