ornellay222 ornellay222

19-11-2018
Mathematics

contestada

Hilda adds 5 to a number, then multiples the sum by -2. The result is 6. Write and equation to find the number, x. What is the number?

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wegnerkolmp2741o wegnerkolmp2741o

19-11-2018

(x+5)*(-2) = 6

distribute

-2x -10 = 6

add 10 to each side

-2x -10 +10 = 6+10

-2x = 16

divide by -2

-2x/-2 = 16/-2

x = -8

The number is -8

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