Question

Two equations are given below:

a − 3b = 16
a = b − 2

What is the solution to the set of equations in the form (a, b)?
(−2, −6)
(−7, −9)
(−11, −9)
(−12, −10)

Answer 1

(-11,-9)

Explanation:

b-2-3b=16

-2b-2=16

-2b=18

b= -9

a= -9-2

a=-11