caroretanaox0n0c
caroretanaox0n0c caroretanaox0n0c
  • 03-03-2020
  • Mathematics
contestada

Please help. I’ll mark you as brainliest if correct!

Seven less than twice a number is the same as nine times the number. Find the number.

Respuesta :

alizemclean
alizemclean alizemclean
  • 03-03-2020

Answer:

x = -1

Step-by-step explanation:

2x - 7 = 9x

Subtract 2x from both sides: -7 = 7x

Divide both sides by 7: -1 = x

Now plug in 7 for every value of x in the original equation to make sure you are correct:

2(-1) - 7 = 9(-1)

-2 - 7 = -9

-9 = -9

I hope this helps!

Answer Link

Otras preguntas

how do you work out linear equation word problems
What organelles could you find in lettuce cells but not mouse cells?
Carina will drive 4.5 hours at an average speed of 55 miles per hour to reach her parents' house. How many miles will she drive?
-3+4(2X-5)=2(3X-1)+2X
Write in powers of 10 notation: 3 trillion; five-thousandths; 730,000,000,000,000; 0.000000000082.
What does "I have a soul of lead" mean in shakespeare?
6/7 and 18/21 are the ratios equivalent.
The Wade-Davis Bill passed by Congress, then vetoed by Lincoln, stipulated that _______ percent of voters in a Confederate state must take an oath of future loy
Square root of 8464 eliminating possibilities
karen is making two displays. One display has 57 red mugs. The other display has 76 sports mugs. The rows of each display must have the same number of mugs. Wha