xiongviolet123 xiongviolet123
  • 16-01-2020
  • Mathematics
contestada

10(2 + x) = 15(x - 1) + 5​

Respuesta :

ellis395
ellis395 ellis395
  • 16-01-2020
20 + 10x = 15x +16 +5
15x+21 =20+10x
5x = -1
X= -0.2
Answer Link
keelanM
keelanM keelanM
  • 16-01-2020
First we will need to multiply out our brackets:

10(2 + x) = 15(x - 1) + 5
20 + 10x = 15x -15 + 5

Next we will add our like terms. We will add 10x and 15x because they are both coefficients of x.

20 + 10x - 15x = -15 + 5
10x - 15x = -20 - 15 +5
-5x = -30
x = 6
Answer Link

Otras preguntas

I need helpp PLEASE it’s already one day late
I need an example essay about facing a challenge
Consider f(x)=-(x+7)2+4. Which of the following are true for f(x)?
Your teacher assigns a STEM activity to the class. Each student must identify a current real-world issue that needs to be improved, such as limited water resour
BRAINLIEST!!!!! Show work
Evaluate: 30 - 12÷3×2 =
A plane travels at +390 km/h for 5 hours, and then at –450 km/h for 4 hours. Which of the following are true?
How many total orbitals are within the 2s and 2p sublevels of the second energy level? A. 1 B. 2 C. 4 D. 3
Here’s the question.!
Umm pls help meeee PLEASE-