Answer:
Distribution is used from steps 1-2
They eliminate 2x by subtracting it on both sides (steps 3-4)
They eliminated 6 by subtracting it from both sides (steps 5-6)
(steps 3-6 is eliminating like-terms)
Thus this leaves the answer being x=-3
Step-by-step explanation:
Answer:
i really really believe that it is B
X is not 117 because 1 triangle is 180 degrees
So as you see in the picture x is a right triangle so it is 90 degrees
Answer:
70 pennies
Step-by-step explanation:
Sam: 700 pennies
Brother: x pennies
We know his brother has 1/10 of the pennies that Sam has.
700 • 1/10 = 70
Sam's brother has 70 pennies.
5 goes into both of those numbers, so you know that is is simplified to 2/3