Answer:
a) 
b) -14
c) -3
d) -96
Step-by-step explanation:
a) The parenthesis indicate multiplication.
b) Minus and plus gives subtraction, and the sign you put behind the number is the sign of the largest number you have (in this case it's 21 since we ignore the -)
c) They already have common denominators, all that's left is to do 
d) The parenthesis indicate multiplication.
Good luck!
Answer:
The biggest common factor number is the GCF number. So the greatest common factor 72 and 80 is 8
Step-by-step explanation:
Step-by-step explanation:
Put the numbers as the value is given
So,
(6+5)= 11 Answer
Step-by-step explanation:
start by setting each equation to each other
first we are going to subtract 2x from both side of the equation
now subtract 1 from both sides
now divide by -3 on both sides
