Question

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?
A. 3b
B. 7b
C. 3b +6
D. 7b - 1
@gretaknows @Slade

Answer 1

@GretaKnows

Answer 2

@pooja195

Answer 3

it is asking what can be substituted into the existing equation isn't it

Answer 4

i dont tknow

Answer 5

3b + 6

Answer 6

thank youu

Answer 7

I think he is right because the answer isn't answer b or d