Question

find the value of x if y=1/2x and 3x+4y=20​

Answer 1

Step-by-step explanation:

the answer is x= 4

hope you understand.

Answer 2

Answer:

3x+4y=20

if y= x/2

3x+4( x/2)=20

5x=20

4

Step-by-step explanation:

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