Question

Vhat is the value of a in the equation 3 a+b=54, when b = 9?
O 15
O 18
O 21
0 27

Answer 1

a+9=54
U can rewrite
a= 54-9
So a=45

Answer 2

3a+ b = 54
3a + (9) = 54
-9. -9
3a= 45
\3 \3

A= 14

The value of “a” is 15