Answer:
x= 2/6
Step-by-step explanation:
add 3x to both sides
add 1 to both sides
divide 6 to both sides to isolate x
x = 2/6
The least common multiple of 9 and 21 is 63
Answer:
1 5/6
Step-by-step explanation:
Y - 2 +

Your teacher may also just want the answer y - 2 with a 7 remainder
Either way, you set it up like long division and solve as such.