Question

(3y +6) -7y -42 = 0 solve the equation and answer should be y = 12. ​

Answer 1

{(3x12)+6}-7(12)-42=0

(36+6)-84-42=0

42-84-42=0

-42-42

-84

Answer 2

Step-by-step explanation:

$3(12) + 6 - 7(12) - 42 \\ 36 + 6 - 84 - 42 \\ 42 - 84 - 42 \\ 42 - 42 \\ 0$