99 plus 9 tens?? if so, 189
Answer:6x+1-3x-1
negative and negative= positive
3x+2
answer: 3x+2
Step-by-step explanation:
Answer:
7x+12
Step-by-step explanation:
You do 10x-3x since they both have the x variable they can be combined to make 7x and the 12 is left alone.
15y is less than 36+9
y is less than 45/15
y is less than 3