What is x-2y equals 0 in 4x-3y equals 15?

Answer 1

eq. 1 is x-2y=0

which means x=2y

eq. 2 is 4x-3y=15

subst. x=2y in eq. 2

4(2y)-3y=15

8y-3y=15

5y=15

y=3

subst. y=3 in eq. 1 we get

x=2(3)

x=6

Ans: x=6 and y=3 is the required solution.

Thank you.