Question

Give first the step you'll use to separate the variable and then solve the equation: y-4=-7​

Answer 1

Step-by-step explanation:

y−4=−7

⇒y−4+4=−7+4 [Adding 4 both sides]

y=−3

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Answer 2

Answer:

(a) x-1 = 0

(adding 1to both sides )

x-1+1 = 0+1

x= 1

(b) x+1=0

( subtracting 1from both sides)

x+1-1 = 0-1

x= -1

(c) x-1=5

(adding 1 to both sides )

x-1+1 = 5 +1

x= 6

Step-by-step explanation:

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