1 answer:
Answer:
b
Step-by-step explanation:
is the situation could the expression model.
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Answer:
B
Step-by-step explanation:
2x-5y=13.........(1) × 3
-3x+2y=13.......(2) × 2
6x - 15y = 39
-6x + 4y = 26
Adding
6x - 6x - 15y + 4y = 13 + 13
Answer:
b and d
Step-by-step explanation:
they both have b
Answer:
x^2 + 4x-21
Step-by-step explanation:
I believe this is it
Answer: C
Step-by-step explanation:
I think this one is it?
Answer:
See below
Step-by-step explanation:
a) y = 5x
b) 45 = 3y + 2x
