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Sav [38]
3 years ago
5

Find the missing value of: -1 = 7 - ?

Mathematics
2 answers:
lora16 [44]3 years ago
3 0
8 is the missing value. Negative one is equal to seven subtract 8
marshall27 [118]3 years ago
3 0

Answer:

-1 = 7 - 8

Step-by-step explanation:

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It is 17 miles to the mall how many inches is that on a map
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8 0
3 years ago
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What kind of polynomial is 2xy2-6?
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8 0
3 years ago
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Solve the equation. 2/3 - 4x 7/2= -9x+ 5/6 step by step
Lostsunrise [7]

Answer:  \bold{x=\dfrac{11}{21}}

<u>Step-by-step explanation:</u>

\dfrac{2}{3}-\dfrac{4x+7}{2}=-9x+\dfrac{5}{6}\\\\(6)\dfrac{2}{3}-(6)\dfrac{4x+7}{2}=-9x(6)+(6)\dfrac{5}{6}\qquad \text{(multiplied by LCD) }\\\\4 - 12x-21=-54x+5\qquad \text{(simplified)}\\\\-12x - 17 = -54x + 5\qquad \text{(added like terms)}\\\\42x-17=5\qquad \text{(added 54x to both sides)}\\\\42x = 22\qquad \text{(added 17 to both sides)}\\\\x=\dfrac{22}{42}\qquad \text{(divided both sides by 42)}\\\\x=\dfrac{11}{21}\qquad \text{(reduced the fraction)}


NOTE: The sign between 4x and 7 is missing in the question you posted.  I assumed it was 4x + 7 in order to solve the equation.

6 0
3 years ago
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