Posted by
**JOHN** on
.

x+y= 30

4x+2y=74

y+

What does the y+ signify? Are you supposed to solve for y?

Try doubling the first equation, giving you

2x + 2y = 60

and then subracting the second equation from that.

-2x = -14

Solve that easily for x, and then substitute that x in any equation to get y.