80-3x=56, Subtract 80 from each side:
-3x = 56-80
-3x=-24
x will equal 8, hope this helps! Have a BLESSED day! :-)
Add the two fractions together but first rewrite the fractions with a common denominator.
4/15 = 8/30
3/10 = 9/30
8/30 + 9/30 = 17/30
Answer: 17/30
Answer:

Step-by-step explanation:

Answer:
20 pounds
Step-by-step explanation:
5.9+4.6+6.2+3.3=20
100 degrees would be obtuse