4 years ago

If 5x = 2y and y = 10, what does 7x equal

Mathematics

2 answers:

postnew [5]4 years ago

6 0

Answer:

28 I think

Step-by-step explanation:

ok so you plug in your 10 and so now you have 5x = 2(10) then it's 5x = 20 and then you divide 20 by 5 and get x = 4. then you would multiply 7 by 4 and get 28.

MAXImum [283]4 years ago

5 0

Answer:

Step-by-step explanation:

5x= 2×10

X=20/5= 4

7x= 7×4= 28.

Please mark as brainliest.

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