What is Y? Its -10 but how?
Question:
If -2x+3=7 and 3x+1=5+y what is the value of Y?
Choices
! 1
2. 0
3. -10
4. 10
answer: 3 (-10)
But my question is how?
I been trying so hard ot fugire out why it equals.. I plugged in numbers, used the eqation solver and I got nothing >.<
Please help! I have my math regents in about an hour so I am trying to get some last minute help.
|