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Ganezh [65]
3 years ago
10

(4/5)x - 8 = (5/3)x - 7 Find x

Mathematics
1 answer:
Dafna1 [17]3 years ago
3 0

Answer:

-15/13

Step-by-step explanation:

4/5x - 8 = 5/3x - 7

4x - 40 = 25/3x - 35

12x - 120 = 25x - 105

-13x = 15

x = -15/13

Topic: Fractions

If you like to venture further, feel free to check out my insta (learntionary). It would be best if you could give it a follow. I'll be constantly posting math tips and notes! Thanks!

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What value of X makes this equation true -90 equals -100+ X
raketka [301]

-90 = -100 + x

To solve for X, you need to isolate it ( get it by itself).

Add 100 to each side:

-90 + 100 = -100 + x + 100

Simplify:

10 = x

X = 10

7 0
3 years ago
One pound of ground beef costs $3.99. Five pounds of ground beef costs $17.45. How much cheaper is the ground beef per pound if
xxTIMURxx [149]

Step-by-step explanation:

Ok, so, to find this, remember- to find the true price of an item, remember the equation (PRICE DIVIDED BY QUANTITY), this will give you true price. So, for the individual, its $3.99 for one pound. In bulk, to find the true price, do price divided by quantity. $17.45/5= 3.45. So thats the better deal. Anyways, to find out how much cheaper it is, subtract 3.45 from 3.99. The answer is .54, however, since you need to round to the nearest tenth place, the answer would be .50

5 0
3 years ago
PLZ HELP! ASAP! Plz SHOW YOUR WORK! Thx!
pishuonlain [190]
Remote interior angles are the two angles that are not supplementary with the exterior angle of a triangle.
<c and <a are the remote interior angles of <y
<a and <b are the remote interior angles of <d
In a tight triangle, one angle measures 90°. All triangles add up to 180° according to the Triangle Sum Theorem. Using the measure of 50°, we can find the measure of the other angle.
90+50=140
180-140=40
The measure of the other angle is 40.
I hope I helped :)
8 0
3 years ago
Jen earned X dollars on Saturday and Y dollars on Sunday. She plans to save 25% of the money she earned over the weekend and spe
jolli1 [7]
Well 25% is the same as .25 or 1/4. So first you need to add X and Y so X+Y and since it is both you choose D 
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4 years ago
Amy mixes 12 liters of 16% acid solution with a 40% acid solution to make a 32% acid solution.
quester [9]
16 liters If I if that is right
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3 years ago
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