Question

If the point (1 2) lies on the equation 3x+4y=a , then the value of a is?

Answer 1

Answer:

a = 11

Step-by-step explanation:

substitute x and y in equation

Answer 2

Answer:

Since point (1,2) lies on given Equation therefore it must satisfy the given equation

Hence: put x=1 y=2 in given equation

Therefore a=3×1+4×2=11

Step-by-step explanation: