SOLUTION: when i cancel the y's out the x's cancel out too. How do i do it without them cenceling out?
4x+5y=-14
8x+10y=-20
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Question 20921: when i cancel the y's out the x's cancel out too. How do i do it without them cenceling out?
4x+5y=-14
8x+10y=-20
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
You can use the substiution method:
5y=14+4x
y=2.8+0.8x
8x+10(2.8+0.8x)=-20
8x+28+8x=-20
16x=-48
x=-3
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