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 was one effect of the Great Depression?
If f(1)=3 and f(n)=-2f(n-1)+1,then f(5)=
Who invaded England in 1066 AD, bringing a variety of the French language with them.
$0.60 bottle of iced tea marked up to $1.35
What does Human Rights mean ?
How did Germany become an industrial giant?
Which is a good example of Roman portrait painting?
Use volition in a sentence.
Based on its location in the periodic table, what can most likely be predicted about phosphorus? It has three valence electrons available for bonding. It has th
How did the disruption in Atlantic shipping prior to and during the War of 1812 affect the U.S. economy?