Question

EXERCISE 4.2
1. Give first the step you will use to separate the variable and then solve the equation:
(a) x – 1= 0
(b) x + 1 = 0
(c) x – 1= 5 (d) x + 6 = 2
(e) y - 4 =-7 (f) y - 4 = 4
(g) y + 4 = 4 (h) y+4 =–4
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Answer 1

Answer:

x=1

x=-1

x=6

x=-4

y=-3

y=8

y=0

y=-8

Answer 2

Answer:

Step-by-step explanation:

a=    x=1

b)   x = -1

c)  x = 6

d) x = -4

e)y= -3

f)  y = 0

g)   y = 8

h)  y = 0