Step-by-step explanation:
3x+12=45
3x=45-12
3x=33
3x/3=33/3
x=11
Answer:
the box contains a total of 8 marbles .
although if you understand pixels then you would know that could stand for RGB so your color would be a very dark greenish brown
Step-by-step explanation:
no question?
Answer:
25
Step-by-step explanation:
Answer:
17
Step-by-step explanation:
since you are subtracting a negative number it reverses, so you actually ADD the two together
so, 12 1/2 + 4 1/2
add the whole numbers first;
12+4=16
then fractions:
1/2 + 1/2= 1
then all together;
16+1=17!