Question

Could someone guide me through this one plz

A system of two equations is shown below:

Equation C: a = 4b + 5
Equation D: a = 6b − 2

What value of a can be substituted into equation D to solve the system of equations?

4b + 5
6b − 2
4b
6b

Answer 1

what does 'a' equal in equation C?

Answer 2

19

Answer 3

huh?

Answer 4

a = 4b + 5

Answer 5

yea i think

Answer 6

which means that you need to plug in 4b+5 for a in the second equation to solve

Answer 7

so the answer to the problem is the first choice, 4b+5

Answer 8

ok i see know thank you

Answer 9

no problem