Question

2) If x = 2, y = 3 is the solution of the equation
3x+ ay = 12 and bx+ 3y = 19 find a+b​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

a = 2 and b = 5

Step-by-step explanation:

Given: x = 2, y = 3

3x + ay = 12

3×2 + a×3 = 12

6 + 3a = 12

3a = 12 - 6

3a = 6

a = 6/3

a = 2

bx + 3y = 19

b×2 +3×3 = 19

2b + 9 = 19

2b = 19 - 9

2b = 10

b = 10/2

b = 5