PLS HELP ASAP!!!!!!!!!!!

Answer: x= 12
Step-by-step explanation:
3x+6 = 42
or, 3x = 36
so, x = 12
Answer:
x = 12
Step-by-step explanation:
3x + 6 = 42 ( subtract 6 from both sides )
3x = 36 ( divide both sides by 3 )
x = 12