Answer:
x=21, y= 35
Step-by-step explanation:
3x+7=5x-35
(subtract seven from -35)
3x=5x-42
(subtract 5 from 3)
-2x=-42
(-42/-2= positive number)
x=21
y+75=3y+5
(subtract 75 from 5)
y=3y-70
(subtract 3y from y)
-2y=-70
y=35
Answer:
-20x + 15
Step-by-step explanation:
Answer:
Part 1) 
The value of x is 
Part 2) 
Step-by-step explanation:
Part 1) Simplify the given equation
we have
In the left side, remove the parenthesis and apply the distributive property
Remember that
so
Combine like terms left side
Adds 7x both sides
subtract 15 both sides
Divide by 7 both sides
Part 2) Solve for x.
Apply distributive property both sides
Group terms that contain the same variable
Combine like terms
Answer:
3·6 - 21
Step-by-step explanation:
just replace x with 6
Answer:
the range is 20
Step-by-step explanation:
so here is how you find the range here is an example
the range data is 42 , 28 , 41, and 22
you first order the range data from least to greatest which is 22 , 28 , 41 , 42
after you order the numbers you want to get the largest number from the data and subtract it from the smallest number in the data which is 42 - 22 = 20
20 is the range
i hope this helps. i had this question on my test today and got a 100%
