SOLUTION: Solve the system of equations by using substitution. Express the answer as an ordered pair:
2x+y=-9
3x+y=11
Solve the system of equations by using substitution. Express the ans
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Question 1030419: Solve the system of equations by using substitution. Express the answer as an ordered pair:
2x+y=-9
3x+y=11
Solve the system of equations by using substitution. Express the answer as an ordered pair:
x+5y=2
x-1=2y
Solve the system of equations by using substitution. Express the answer as an ordered pair:
x-5y=2
9x+8=15y
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
I'll show you the first one...resubmit the others if you still don't get it...
Okay, from
2x+y=-9
3x+y=11
we solve the first one for y and plug that into the second one...like this:
y = -2x - 9
3x + (-2x - 9) = 11
x - 9 = 11
x = 20
and then
y = -2(20) - 9 = -49
(20, -49)
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