Question

X-15 = 8
A. x= 23
B. x = 7
C. x=-23
D. x=-7

Answer 1

A. x = 23

Explanation:

Step 1: Write out equation

x - 15 = 8

Step 2: Add 15 to both sides (Addition Equality)

x - 15 + 15 = 8 + 15

x = 23

Answer 2

`\boxed{ x = 23}`

Explanation:

=> x - 15 = 8

Adding 15 to both sides

=> x - 15 + 15 = 8 + 15

=> x = 23