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
0 - 4 = 4
2. Give first the​

Answer 1

Step-by-step explanation:

a. x-1=0

x=0+1

x=1

b. x+1=0

x=0-1

x= -1

c. x-1= 5

x= 5+1

x=6

d. x+6=2

x=2-6

x= -4

e. y-4=-7

y= -7+4

y= -3

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