Question

Find the value of a such that the following equation have x=1,y=1 as solution
ax+2y=10

Answer 1

Given:

• x = 1
• y = 1
• ax + 2y = 10 ___(1)

To Find:

• Find the value of a .

Solution:

Put all known values in Eq (1)

➜ a(1) + 2(1) = 10

➜ a + 2 = 10

➜ a = 10 - 2

➜ a = 8