Question

k) 3x + 3(x + 1) + 3(x + 2) = 999 and check the solution in each case​

Answer 1

Answer:

3x + 3x +3 +3x + 6 = 999

⇒9x = 999 - 6 - 3

⇒ 9x = 990

⇒ x = 990/9

⇒ x = 110

Step-by-step explanation:

Answer 2

Answer:

x=110

Step-by-step explanation:

3x+3 (x+1)+3 (x+2)=999

3x+3x+3+3x+6=999

9x+9=999

9x=999-9

9x=990

x=990÷9

x=110