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DerKrebs [107]
4 years ago
15

simply algebra question--i keep getting it wrong, but if you could solve it i should hopefully understand what ive been messing

up on

Mathematics
1 answer:
Tpy6a [65]4 years ago
3 0

Start with

\dfrac{5-2x}{3}+1-\dfrac{3x-2}{5}=-x

Multiply both sides by 15 to get rid of denominators:

5(5-2x)+15-3(3x-2)=-15x

Expand the left hand side:

25-10x+15-9x+6=-15x

Move all terms involving x to the left and all numbers to the right:

-10x-9x+15x=-25-15-6

Sum like terms:

-4x=-46

Divide both sides by -4:

x=\dfrac{46}{4}=\dfrac{23}{3}

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emmainna [20.7K]

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4 years ago
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likoan [24]
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8 0
3 years ago
A car drove 1550 miles on 45 gallons of gas. What is the Unit Rate of miles<br> per gallon of gas? *
Nataliya [291]
I’m not sure sorry!
7 0
3 years ago
Read 2 more answers
PLEASE HELP!!
Wewaii [24]
Let's go through each answer choice one at a time.
--------------------------------------------------
Choice A
3/4 < 5/7 
3*7 < 4*5 ... cross multiply
21 < 20
The last inequality is false, so the original inequality is false
Choice A is false
--------------------------------------------------
Choice B
2/3 > 5/6
2*6 > 3*5 ... cross multiply
12 > 15
The last inequality is false, so the original inequality is false
Choice B is false
--------------------------------------------------
Choice C
5/8 > 6/10
5*10 > 8*6  ... cross multiply
50 > 48
The last inequality is true, so the original inequality is true
Choice C is true
--------------------------------------------------
Choice D
4/5 < 2/9
4*9 < 5*2  ... cross multiply
36 < 10
The last inequality is false, so the original inequality is false
Choice D is false
--------------------------------------------------
In summary, we have
A. False
B. False
C. True
D. False
So the final answer is choice C

4 0
3 years ago
What is #13 asking me to do?
patriot [66]
You need to calculate miles per gallon.

Number of miles is just the difference in the odometer:
----> 23,927 - 23,672 = 255

Number of gallons = 16.5

MPG = 255/16.5 = 15.5
4 0
3 years ago
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