SOLUTION: hi, i really hope you choose to help me with this as i'm completely stuck! how do you work out questions such as 3x+5(8-x)=24-x I have no idea where to start, and I also find prob

Question 451559: hi, i really hope you choose to help me with this as i'm completely stuck! how do you work out questions such as 3x+5(8-x)=24-x
I have no idea where to start, and I also find problems like these with negative numbers extremely hard. Thank you for your time
Answer by confusedgirl81(14) (Show Source): You can put this solution on YOUR website!
3x+5(8-x) = 24-x distribute 5 first
3x+40-5x = 24-x
-2x+40 = 24-x subtract 40 from both sides
-2x = 24-40-x now add x to both sides
-2x+x = 24-40 solve both sides, remember x is the same as 1x
-1x = -16 divide both sides by -1
x = 16
when in doubt always check your answer
3x+5(8-x) = 24-x now substitute 16 for x
3(16)+5(8-16) = 24-16
48+5(-8) = 8
48-40 = 8
8 = 8
so your answer is x = 16

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