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Travka [436]
3 years ago
10

Whats 3.2r + 14.7=6.74

Mathematics
2 answers:
DIA [1.3K]3 years ago
7 0

Answer:


Step-by-step explanation:

Note the equal sign. What you do to one side, you do to the other. Do the opposite of PEMDAS. First, subtract 14.7 from both sides

3.2r + 14.7 (-14.7) = 6.74 (-14.7)

3.2r = 6.74 - 14.7

3.2r = -7.96

Isolate the r. Divide 3.2 from both sides

(3.2r)/3.2 = (-7.96)/3.2

r = -7.96/3.2

r = -2.4875

-2.4875 is your answer

~

Nata [24]3 years ago
6 0

<u><em>r=-199/80 is the right answer.</em></u> First, you had to multiply by 100 from both sides of the equation. And it gave us, 3.2r*100+14.7*100=6.74*100. Next, you had to refine, and it gave us, 320r+1470=674. Then, subtract by 1470 from both sides of equation. And it gave us, 320r+1470-1470=674-1470. Simplify, and it gave us, 320r=-796. You can also divide by 320 from both sides of equation. And it gave us, \frac{320r}{320}=\frac{-796}{320}. And finally, simplify, and it gave us the answer is <em><u>r=-199/80 is the right answer.</u></em> Hope this helps! And thank you for posting your question at here on brainly. And have a great day! -Charlie

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