It wont let me open it up :(
Answer:
21x + 12
Step-by-step explanation:
Distribute
3(7x) = 21x 3(4) = 12
21x + 12
So that’s the answer cuz like terms cannot b combined with numbers
Answer:
4 hours
Step-by-step explanation:
Let x = # of hours
22x + 10 = 98
-10 -10
____________
<u>22x = 88</u>
22
x = 4
The sum of angles of all triangles is 180