3 years ago

X+2y=3 3y+5y=7 I dont know

Mathematics

1 answer:

Lena [83]3 years ago

8 0

Answer:

Step-by-step explanation:

3y+5y=8y

8y=7(divide 8 in both sides to get y)

y=7/8

x+2y=3...but we already know the value of y, so substitute 7/8 to y

x+2(7/8)=3

x+14/8=3

x=3-14/8

=1.25

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