Question

solve:x+y=7and3x-y=1​

Answer 1

Answer:

10 & (-3)

Step-by-step explanation:

x+y=7---------(1)

3x-y=1-----------(2)

1×(2)=›3x-y=1----------(3)

3×(1)=›3x+3y=21-------(4)

(4)-(3)=›2y=20

y = 20/2

y = 10

y=10 in (1)=›x+y=7

x+10=7

x=7-10

= -3

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