Question

3(x+4)=21
2x/3-3x/5=8

Answer 1

Answer:

1. 3 , 2. 120

Step-by-step explanation:

1) 3(x+4)=21

= 3x + 12 = 21

= 3x = 21 - 12

= 3x = 9

= x = 9/3

= x = 3

2) 2x/3 - 3x /5 =8

= 10x /15 - 9x / 15 = 8

= 10x - 9x / 15 = 8

= x/ 15 = 8

= x = 8 × 15

= x = 120