Question

x+18=2y y=2x-9 pls givee this answer

Answer 1

x+18=2(2x-9)
x+18=4x-18
x-4x=-18-18
-3x=-36
x=12

now put value of x in 2nd eq.
y=2(12) -9
y=24-9
y=15

Answer 2

answer of this question is given in the picture