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SO CLOSE! 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

2 Answers

1 vote
3b+6 is the answer for this
User Noneno
by
8.1k points
2 votes
3b+6

If you make both equations equal each other, you can then solve the system of equations.
User Redd
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8.7k points