Asked by Please help
Solve by elimination
5x+y=2
3x+y=1
This is what I got :
3(5x+y=2)
-5(3x+y=1)
15x+3y=6
-15x-5y=-5
-2y=1
2 2
Y=1/2
15x+3(1/2)=6
15x+3/2 =6
15x/15= 9/2 /15
X=3/10
5x+y=2
3x+y=1
This is what I got :
3(5x+y=2)
-5(3x+y=1)
15x+3y=6
-15x-5y=-5
-2y=1
2 2
Y=1/2
15x+3(1/2)=6
15x+3/2 =6
15x/15= 9/2 /15
X=3/10
Answers
Answered by
PsyDAG
If -2y = 1, then y = -1/2
Thus 3x + (-1/2) = 1, then:
3x = 3/2
x = 1/2
Thus 3x + (-1/2) = 1, then:
3x = 3/2
x = 1/2
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