Question

1. Find the value of :
(i) 3x + 2y when x = 3 and y = 2
(ii) 5x - 3y when x = 2 and y = 5
(iii) a + 2b - 5c when a = 2, b = 3 and c = 1
(iv) 2p + 39 + 4r + pqr when p = 1,9 = 2 and r = 3
(v) 3ab + 4bc - 5ca when a = 4, b = 5 and c =
= 2.​

Answer 1

Answer:

i. 13

ii) -5

iii. 3

iv.

v.60+40-40=60

Answer 2

1. 13.
2. -5.
3. 3.
4. 26.
5. 60.

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