danaperry22 danaperry22
  • 03-09-2019
  • Mathematics
contestada

What is this 15=2+4-d

Respuesta :

sebastian2019 sebastian2019
  • 03-09-2019

Answer:

-9

Step-by-step explanation:

15=2+4-d

15+d=6

d=-9

Answer Link
Аноним Аноним
  • 03-09-2019

15=2+4-d

15=6-d

Move 6 to the other side

Sign changes from +6 to -6.

15-6=6-6-d

15-6=-d

9=-d

Multiply both sides by -1 to get +d

(9)(-1)=(-d)(-1)

Answer: d=-9

Answer Link

Otras preguntas

What can people do to maintain a diverse and balanced microbiome?
Joyce paid $50 for an item at the store that was 45 percent of the original price. What was the original price?
What is the smallest representative particle of an element?
If you minus a positive number from a negative number is the diffirance a positive number, or a negative number? For example: 5 - ( -2 ) would this problem be p
PLEASE HELP OR I WON'T GET MY CREDITS!!!!!!!!!!!!!!!!!!!!!!!!!!
Why are models useful in Earth science?
Each day that a library book is kept past its due date, a $0.30 fee is charged at midnight. Which ordered pair is a viable solution if x represents the number o
Im so confused rn i have no idea how to do this my teacher didnt teach us this
Find the value of X.
Price - $375 Discount - 20% Total =