Question

2x+y=3
x+y=4
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Answer 1

Explanation:

Given

X+Y=4 -i

2X+Y=3 -ii

solving 1

X=4-Y -iii

equating eq iii and eq ii

2(4-y)+y=3

8-2y+y=3

-1y=3-8

-1y=-5

y=5

equating value of y in eq iii

x=4-y

x=4-5=-1