3 years ago

Help plz I need this grade

Mathematics

1 answer:

Sindrei [870]3 years ago

7 0

Answer: (1,3)

Step-by-step explanation:

5y=10+5x

y=2+x

plug in (2+x) for y

21x+7(2+x)=42

21x+7x+14=42

-14 -14

28x=28

x=1

plug in 1 for x

y=2+1

y=3

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Select the solution(s) of the original equation. 3+ √21/2+4 3+ √21/2-4 3- √21/2+4 3-√21/2-4

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3 years ago

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