math
posted by JOHN .
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.
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