Question

find the value of r, if x=3, y=4 is a solution of the equation 3x+4y=r.
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Answer 1

Answer:

r = 25

Step-by-step explanation:

3×3 + 4×4 = r

9 + 16 = r

r = 25

Answer 2

Answer:

if x= 3 , y= 4

then ,

3x +4y= r

3(3)+4(4) = r

9 + 16 = r

25= r

Hence , the value of r is 25