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Solving Equations - how to??
Contributed by: Moore
Given the equation, 2x - 9 = 19, 
what two steps would you do to isolate the "x"?
subtract 9, then multiply by 2 
add 9, then multiply by 2
add 9, then divide by 2
subtract 9, then divide by 2
For the equation, 4(3x - 12) = -3(6 + 3x), 
which is the correct second step? 
7x - 12 = -18 - 9x
12x = -18 - 9x + 12
12x - 12 = -18 + 3x
12x - 48 = -18 - 9x
The perimeter of the shown rectangle is 202 m. Which equation represents its perimeter?
2(10x + 72) = 202
12x + 72 - 2x = 204
6x + 36 - x = 101
12x(72 - 2x) = 202
72 - 2x
12x
The cost of manufacturing plastic packaging is C = 10 + 5n (where "C" is the cost in cents and "n" is the number of items). 
If the cost is 130 cents, how many items were manufactured? 
 24 items
28 items
600 items
100 items
Paula works at a clothing store. Her weekly pay is modeled by the relation, P = 600 + 0.05s, where "P" is her pay and "s" is the value of clothing she sold. One week she earned $1,000. What value of clothing did she sell that week?
Write the number only (no comma or $) 
What is the value of "h" for this relationship? 

AREA = 240
Write a number only 
in the box.
3h - 4
12
What is the solution to the equation, 
Write a value only in the box.
5x
3
-5
=
10
?
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