It is the plus minus sign. It means to do the addition and subtraction.
Examples:
10 <span>± 7 = 17 and 3
15 </span><span>± 5 = 20 and 10
100 </span><span>± 90 = 190 and 10
It is generally used to indicate a possibility of two outcomes. A negative or positive outcome.</span>
Answer:
Step-by-step explanation:
3-k-4-k=k+11
Collecting like terms
-k - k - k = 11 +4 - 3
-3k = 12
Dividing each term by -3
k = 12/-3
k = -4
Answer:
You are correct, it is C.
Step-by-step explanation:
good job
Answer:
B
Look at drawing and that will walk you through it
