## 3. Find the value of k if x=2 y=1 is a solution of the equation 2x+3y=k b. 3 C. 2 d. 5 4. Which one of the following is

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## Answers ( )

3.

GIVEN:–x=2,y=1FIND:–valueofkANSWER:–2x+3y=k2×2+3×1=k4+3=k7=kTHISISYOURANSWER4.INTHISQUESTIONIFWEPUTTHEVALUEGIVENINTHIRDQUESTIONTHENANSWERWILLBE:=x-2y⁴=2–2(1)⁴=2-2×1=2-2=0THISISYOURANSWERPLEASEMARKMEASBRAINLISTAnswer:the answer 3 is 7 &

the answer for 4 is 0

Step-by-step explanation:3.given x=2&y=1

2x+3y = k

(2×2)+(3×1) = k

4+3 = k

k=7

4. x-2y^4 = k

2-2(1)^4 = k

2-2(1) = k

2-2 = k

0 = k