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3 years ago

Please solve: (simple math equations)

6 × 7 + 14 ÷ 0.7 − 28 ÷ 4

−4(3−8 × 4 ÷ 2 − 7)

(−7−12 ÷ −4) ÷ × (−5) + 4 ÷ (−1)

Thank you
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cjd | 3 years ago
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Hi,

Question 1. (6 × 7) + (14 ÷ 0.7) - (28 ÷ 4) = 55

Question 2. −4 (3−8 × 4 ÷ 2 − 7) = 80

Question 3. (−7−12 ÷ −4) ÷ 1 × (−5) + 4 ÷ (−1) = 16
(−7−12 ÷ −4) ÷ (−5) + 4 ÷ (−1) = -3.2
(−7−12 ÷ −4) × (−5) + 4 ÷ (−1) = 16

Hope this helps!
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nichm | 3 years ago Report

Thanks! It does.

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cjd | 3 years ago Report

Glad it does, if you need any more help contact me via my contact page @cjd

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cjd | 3 years ago Report

Hi,

It is 12 ÷ -4 as you do the division first (BODMAS). This makes -3. Then you do -7--3 (or -7+3) which makes -4.

Hope this helps!

nichm's Avatar
nichm | 3 years ago Report

what is?

(−7−12 ÷ −4)

Thanks, I'm trying to solve it by myself, but I'm not sure if its 12 ÷ −4 or −12 ÷ −4

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srgothard | 3 years ago
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Oops! using brackets converts your text to hyperlinks. Here is (I believe) the problem you posted:
  1. 6 × 7 + 14 ÷ 0.7 − 28 ÷ 4 = 42 + 20 - 7 = 55
  2. −4(3−8 × 4 ÷ 2 − 7)  = -4 (3 - 16 - 7) = 80
  3. (−7−12 ÷ −4) ÷ (2 × (−5) + 4 ÷ (−1)) = (-7+3)÷(-10 -4) = (-4) ÷(-14) = 2/7

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dcanswerer | 3 years ago
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1. 55
2. 80
3. The last question has a division sign next to a multiplication sign. Maybe you transcribed it wrong? You can put a comment on here to correct it

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