Question

A system of two equations is shown below:

Equation C: a = 3b + 6
Equation D: a = 7b − 1

What value of a can be substituted into equation D to solve the system of equations?
3b
7b
3b + 6
7b − 1

Answer 1

@TheSmartOne @jlrutherf

Answer 2

C (3b+6) because for a system of equations you have to make C equal to D in this case. So u substitute D with C.

Your answer is C

Answer 3

Thanks cx

Answer 4

I think its C. too

Answer 5

No problem

Answer 6

@automaticloveletter Sorry, wasnt online to answer question >.<