3x+2y=10, 2x+3y=20, find x+y
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Answered by
0
Answer:
I don't know
Step-by-step explanation:
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Answered by
2
Answer:
x=7.5
y=22.5
Step-by-step explanation:
3x + 2y=10
2x +3y= 20
2x +3y = 20
3x + 2y =10
1 step multiply to 2
4x+6y=40
3x+2y=10
x+4y=30
4y=30
y= 30/4=7.5
x=30–7.5= 22.5
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