Question

3a + 5b=26
at 5b =22
I
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Answer 1

Answer:

3a+ 5b = 26

or, 3a+ 22= 26

or, 3a= 26-22

or, a = 4

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Answer 2

Answer:

Solution:

3a + 5b = 26 ..(1)

a + 5b = 22 ..(2)

Subtracting equation (2) from equation (1),

3a + 5b = 26 ..(1)

-

a + 5b = 22 ..(2)

- - -

___________

2a = 4

∴ a = 2 ....(Dividing both the sides by 2)

Substituting a = 2 in equation (1),

3 (2) + 5b = 26

∴6 + 5b = 26

∴ 5b = 26 - 6

∴ 5b = 20

∴ b = 4

final answer= (a,b) = (2,4) is the solution.