Question

1. x/5 = 10 *

2. x + 2 = 15 *

3. 5x = 40 *

4. 2y = 44 *

5. r - 15 = 30 *

Answer 1

Explanation:

1) x/5 = 10

multiply by 5 : x = 50

2) x + 2 = 15

add -2 : x = 13

3) 5x = 40

divid by 5 : x =8

4) 2y = 44

divid by 2 : y = 22

5. r - 15 = 30

add 15 ; 5r =45

divid by 5 : r = 9