19) You want to solve the system below by eliminating y. You multiply the first equation by 7. By what number should you multipl
y the second equation? * 2x - 5y = 1 -3x + 7y = -3 -5 5 -7 7

1 answer:
Answer:
Should be 7 because you want the equations to balanced.
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Answer:
4.59
Explanation:
1.38 + 2.01 = 3.39
1.2 = 1.20
3.39 + 1.20 = 4.59
118 degree because they are transition angles
I think the answer would be be C.
Answer:
2
Step-by-step explanation:
Answer:
y=3
Step-by-step explanation:
4y-8+4=8
4y-4=8
4y-4+4=8+4
4y=12
4y/4=12/4
y=3