Answer:
-101
Step-by-step explanation:
An addition sign in front of the negative number means to <em>subtract</em> that number.
Another way to write -37 + (-64) is:
-37 - 64
-37 - 64 = -101
Tina can finish in 5 hours
Bill takes two hours longer than Tina.
5+2=7
Bill takes 7 hours to cut the lawn.
7+5=12
It takes both of them working together 12 hours. Hope this helped!
Answer:
7n - 10
5n - 3 + 2n - 7
(distribute the negative sign throughout the equation) (then just combine like terms)
33: 21 ...........................................