4 years ago

Which is the best first step in solving the following system of equations y=7x+3 y=9x

Mathematics

2 answers:

Vanyuwa [196]4 years ago

8 0

Answer:

13.5 and 1.5

Step-by-step explanation:

y=7x+3

y=9x

9x=7x+3

2x=3

x=3/2

y=9(3/2)

y=13.5

Fed [463]4 years ago

3 0

Answer:

Replace the y value in y=7x+3 with 9x

Answer: x=3/2

Step-by-step explanation:

y=7x+3; y=9x

9x=7x+3

Subtract 7x from both sides

2x=3

Divide by 2 on both sides

x=3/2

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3 years ago

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3 years ago

Is the answer(s) E, D, C, B, or A?

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5 0

3 years ago

Is it correct. if not pls tell me the answer.

jeka57 [31]

It is correct so you did good never doubt yourself even though it is good to double check

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3 years ago