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 is 2.333333 in fraction form
Explain why the current is reduced as electrons move through a conductor.
what are two human uses for mosses?
copy this figure onto grid paper. draw line to divide the figure into 4 congruent polygons. how do you know the ploygons are congruent
what are the landforms of vermont
what are the landforms of vermont
What are the origins of prevailing ideas about natural, ideal, and deviant bodies in sports and in society?
A sequence has an initial value of 10 and each term is twice the previous term. Which function models this sequence?1) a(n)=10(2)^n2) a(n)=10(2)^n-13) a(n)=10+2
How is carbon dioxide obtained?
In a sale, normal prices are reduced by 12% The sale price of a digital camera is £132.88 Work out the normal price of the digital camera (3marks)