anonymous
  • anonymous
-4 times a number plus 16 is -166
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
please write an equation
anonymous
  • anonymous
@triciaal
anonymous
  • anonymous
this is what i think -4 x n+16 but what does this mean 16 is -166

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Nnesha
  • Nnesha
times/product = multiply quotient/divide = divide sum/increasing/morethan means add difference = subtract in the statement `is ` represent equal sign `=`
anonymous
  • anonymous
so then it will be 4-xn+16 = -166
anonymous
  • anonymous
sorry i mean -4xn+16=-166
Nnesha
  • Nnesha
yes here is an example \[2 \times n \] can be written as 2n
Directrix
  • Directrix
This part is okay. Just avoid using x as a multiplication symbol. -4 x n+16 Use -4n + 16 Add this part: is -166 Think of "is" as being this =
Nnesha
  • Nnesha
` -4xn` here multiplication sign looks like `x` variable so you can write it as -4n
anonymous
  • anonymous
ohh ok Directrix and nnesha
anonymous
  • anonymous
but how do i cheak if its wright using subtraction
Nnesha
  • Nnesha
wait it's a number +16
Directrix
  • Directrix
-4xn+16=-166 This is okay with one exception. We do not know if you are using x as a variable or multiplication symbol. -4n means -4 times the number n. You don't need the x to show multiplication. -4n+16 =-166 is all
anonymous
  • anonymous
how do i cheack if it right using subtraction @Directrix @Nnesha
Directrix
  • Directrix
The instruction you gave is "write an equation." You did that. Now, are you saying that you also want to solve for n?
anonymous
  • anonymous
yes sorry if i wasnt clear in the beginning my apologies
Directrix
  • Directrix
What do you get when you subtract 16 from both sides? |dw:1446586611700:dw|
anonymous
  • anonymous
|dw:1446586703943:dw|
anonymous
  • anonymous
is that right
Directrix
  • Directrix
No.
Directrix
  • Directrix
-166 - 16 = - (166 + 16) = ? Add 166 to 16 and give the sum a negative sign. You did 166 - 16 = 150 which is true but it is not the problem we are doing. Try again.
anonymous
  • anonymous
166 + 16= 182
Directrix
  • Directrix
> give the sum a negative sign. |dw:1446586980623:dw|
Directrix
  • Directrix
Divide both sides by -4 and be careful with the signs of the numbers.
anonymous
  • anonymous
-182 divided by -4 = 45.5
Directrix
  • Directrix
I got 182/4 = 91/2 which as a decimal is 45.5 for the value of n.
anonymous
  • anonymous
oh ok so n value would be 91/2?
Directrix
  • Directrix
45.5 is the same. Were you told how to express the answer? If you are entering the answer into a checking program, look and see how the answer should be left.
anonymous
  • anonymous
ok thank you
Directrix
  • Directrix
You are welcome.

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