Question

if y=x/2 and 3x+4y=20 the x=​

Answer 1

x=4

Step-by-step explanation:

putting value of y in 3x+4y=20

we get,3x+(4x/2)=20

therefore,3x+2x=20

and,5x=20

x=4

Answer 2

Answer:

y=X/2&

3x+4x=20

3x+4*x/2=20

4x/2+3x=20

4x/2+6x/2=20

10x/2=20

10x=2*20

10x=40

x=40/10

x=4.

please mark it as a brainlist answer