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KATRIN_1 [288]
3 years ago
13

30 POINTS WILL MARK BRAINLIEST Derrick discovered that seven times X plus five times X was the same as eleven times X, minus fif

teen.
Write an equation for this situation and type it in the box. Do not use any spaces.


Answer: Solve to find the value of X. Type the FULL answer in the box, using the variable and an equal sign. Do not use any spaces.

Answer:
Mathematics
2 answers:
Artemon [7]3 years ago
5 0

Answer:

7x+5x=11x-15; x= -15

Step-by-step explanation:

Combine like terms:

7x+5x= 12x\\12x=11x-15

Subtract 11x on both sides:

12x-11x=(11x-11x)-15

1x=-15\\x=-15

Rus_ich [418]3 years ago
3 0

Answer: 7x + 5x = 11x - 15    ;   x=-15

Step-by-step explanation:

Step #1. Add all of your like terms together...

(Find your like terms (Turn your -15 in minus 15))

Like terms : 7x,5x

7x + 5x = 12x           12x = 11x - 15

Step #2. Do subtraction. Subtract eleven x from both sides...

12x - 11x = '11x - 11x' - 15

1x = -15

x = -15

You're answer is... x=-15.

Hope this helps you out and I hope this is what you were looking for! ☺ Have a wonderful rest of your day, mate! ☺

-Karleif-

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