1. Add x +y +2 and 2x +2y + 1
Answers
Answered by
1
Answer:
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Step-by-step explanation:
x+y+2(+)2x+2y+1
(2x+x)+(2y+y)+(2+1)
3x+3y+3
Answered by
1
Answer:
x + y + 2. (1)
2x+2y+1
= 3x + 3y + 3
3 value is common
x+y = - 1. . . . . . . . . (2)
(1) and (2)
x = - y-1
x= y+1
(1) . . . . . .
(y+1)+y+2 =0
2y+3 =0
y = 3/2
x+3/2+2=0
x=3/2+2
x = 7/2
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