Question

if the solution of the equation is ax + by =19 and ay + bx = -9 is x=3 , y=2, then find the value of a + b.? ​

Answer 1

Step-by-step explanation:

the value of a is 1 as when we substitute x = 1 and y = 2 in the given equation we get a+2a = 3. thus 3a = 3 hence a = 1

Answer 2

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