Question

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Answer 1

Two equations are given below:

a – 3b = 9
a = b – 3

What is the solution to the set of equations in the form (a, b)? (5 points)



(–9, –6)
(–4, –3)
(–6, –3)
(–9, –7)

Answer 2

I think it is the second one(-4,-3)

Answer 3

\[\left( b-3 \right)-3b=9\]

Answer 4

Combine like terms starting with b:
\[-2b=12\]

Answer 5

so b =-6?

Answer 6

Yep now for a.

Answer 7

a=-9?

Answer 8

Ye

Answer 9

so the answer is A?

Answer 10

U got it.

Answer 11

thank you for helping!!!! :D