Question 20168
first subsitute x=4y+1
2(4y+1)-3y=12 =
8y+2-3y=12 =
5y+2=12 =
5y=10 =
y=2

now that we know what y is (y=2), we can solve for x

2x-3(2)=12 =
2x-6=12
2x=18
x=9


i hope this helps