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34kurt
3 years ago
5

Solve -mk - 90> 85 solve for m

Mathematics
1 answer:
Vikentia [17]3 years ago
7 0
Let's solve for k. (-m)(k) - 90>85

step 1: add 90 to both sides.
-km -90+90> 85+90
- km > 175

step 2: divide both sides by -m
-km >175
-m -m

K< -175
m
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2 years ago
Pleaseeee i will mark brainlesttttt<br> solve this system of equations <br> 12x−15y=14 8x−15y=6
Sphinxa [80]

Answer:

x = 2 and  y = \frac{2}{3}

Step-by-step explanation:

To solve this system of equation, we will follow the steps below;

We will use both elimination and substitution method to solve this system of equations

12x−15y=14 ------------------------------------------------------------------------(1)

8x−15y=6 --------------------------------------------------------------------------(2)

subtract equation (2) from equation (1)

(By doing that the y  variable will be eliminated)

4x = 8

Divide both-side of the equation by 4

4x/4 = 8/4

x = 2

Substitute x =2 into equation (2) and then solve for y

8x−15y=6

8(2)−15y=6

16 - 15y = 6

subtract 16 from both-side of the equation

16 - 16- 15y = 6-16

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Divide both-side of the equation by -15

-15y/-15  = -10/-15

y = \frac{2}{3}

x = 2 and  y = \frac{2}{3}

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3 years ago
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Step-by-step explanation:

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