Q.3 Solve the following equations:
(a) 4 = 5(p- 2)
(b) -4 = 5(p – 2)
(c) 16 = 4 + 3 (t + 2)
(d) 4 + 5(p – 1) = 34
(e) 0 = 16 + 4(m – 6)


Answer :

(a) 4 = 5 ( p-2 )
= 5 (p-2) = 4
= p-2 = 4/5
= p = (4/5)+2
= p = 14 /5
(b) -4 = 5(p – 2)
= 5 (p-2) = -4
= p-2 = -4/5
= p = (-4/5) + 2
= p = 6/ 5
(c) 16 = 4 +3 (t +2)
= 4+3 (t+2) = 16
= 3(t+2) = 16-4
= t+2 = 12/3
= t = 4-2= 2
(d) 4 + 5 (p-1) = 34
= 5(p-1) = 34 -4
= p-1 = 30 /5
= p = 6 +1 = 7
(e) 0 = 16 +4( m- 6)
= 16 + 4(m-6) = 0
= 4(m-6 ) = -16
= m-6 = -16/4
= m -4+6 = 2

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