Question

7x+10y=36 -2x+y=9 solve it by substitution method
y-2x=0 x+2y=5​

Answer 1

Step-by-step explanation:

from the equation

y-2x=0

We get y=2x

put this in x+2y=5

x+2(2x)=5

5x=5

x=1

so put x=1 in any one of the above equation

7(1)+10y=36

10y=36-7

10y=29

y=2.9

Hope you understand