For b on the first paper you will start with the distribution property and multiply both x and 2 by 3 because they are in the ()
now you have 3x+ 6=x-18
from here you can subtract x from both sides
2x+6=-18
next subtract 6 from both sides
2x=-24
divide both sides by 2...
x=-12
hope this helped
Basically just do the problem backwards.
72÷9=8
72÷8=9
4 groups of 3 girls and 3 boys. Then there would be an extra three girls
Answer:
43° is correct answer
Step-by-step explanation:
Like me
