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dmitriy555 [2]
3 years ago
11

↓↓↓↓↓↓↓↓↓↓↓↓↓ Help with all No words EXTRA POINTS!!!!

Mathematics
2 answers:
ivann1987 [24]3 years ago
6 0
<span><span><span>xy</span>−5</span>=k</span>  Flip the equation.<span>  k=<span><span>xy</span>−5</span></span>
Answer is <span>k=<span><span>xy</span>−<span>5
I hope this helps

</span></span></span>
sveta [45]3 years ago
6 0
Xy - 5 = k (move the known term to the right with changed sign)

xy = k + 5

Now we have x multiplied for y...to delete the y, divide both terms for y.

xy/y = (k+5)/y

x = (k+5)/y

3y + 5x = 7

Move 3y to the right with changed sign (this to make x the variable for which we solve the equation)

5x = 7 - 3y

Divide every term for 5

5x/5 = 7/5 - 3y/5

x = 7/5 - 3y/5

m/n = p-6

Multiply both terms for n, since we should delete the fraction m/n

m = pn-6n

Factor...

m = n(p-6)

to find n, move m to the right with changed sign.

Divide both for p-6

m/p-6 = n

n = m/p-6

F = 9c/5 + 32

9c/5 + 32 = F

Move 9c/5 to the left (don't change sign) to make it the default variable. And move all the rest to the right but changing sign.

9c/5 = f - 32

To delete the fraction, multiply every term for 5

9c = 5(f) + 32(5)

9c = 5f - 160

Divide both for 9

c = 5f/9 - 160/9
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