Question

Janelle subtracts –4 from a number. The result is 2. What is the number?

–6
–2
2
6

Answer 1

-2, B

Explanation:

x - ( -4 ) = 2

x + 4 = 2

x = 2 - 4

x = -2

Answer 2

-2

Explanation:

Let x be the unknown number. We are subtracting a negative 4

x - (-4)

The result is 2

x - (-4) =2

Subtracting a negative is like adding

x+4 = 2

Subtract 4 from each side

x+4-4 =2-4

x = -2