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If (1, −2) is a solution …

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If (1, −2) is a solution of the equation 2x – y = p, then find the value of p.

Posted by Dharmik Girsay 4 years, 1 month ago

CBSE > Class 09 > Mathematics

4 answers

Kashish Choudhary 4 years, 1 month ago

2x-y=p (x=1;y=-2) =2×1-(-2)=p =2+2 =p =4=p The value of p is 4

Ashmit Patel 4 years, 1 month ago

2x-y=p Put the value of x=1 and y= -2, 2×1-(-2)=2+2=4

Jayanti Rawat 4 years, 1 month ago

2(1)-(-2)=2-2=1

Sandeep Singh 4 years, 1 month ago

(x,y)=(1,-2) putting the value of x and y in 2x-y=p =2*1-(-1)=2+1=3 therefore p=3

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