marclazcano1 marclazcano1
  • 22-02-2015
  • Mathematics
contestada

solving equations on both sides so solve (3d+8=2d-17) how did you find youre answer

Respuesta :

Аноним Аноним
  • 22-02-2015
[tex]3d-2d=-17-8[/tex]  | Like terms on each side

[tex]d=-25[/tex]  | simplify 
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 22-02-2015
it's important do do the same thing to both sides so the equation will stay equal
exg
3=3
multipy 4
12=12
still true


so 3d+8=2d-17
2d means 2 times d or d+d

so
3d+8=2d-17
subtract 2d from both sides
3d-2d+8=2d-2d-17
d+8=-17
subtract 8 from both sies
d=-25


d=-25
Answer Link

Otras preguntas

What are the four categories of cells
How does culture spread?
Which of these is an example of discretionary spending? A. Rent B. Groceries C. Debt repayment D. Vacation
a contractor needs to know the area of a sidewalk that is 2381 feet long and 7 feet wide what is the area of the sidewalk
List 4 possible methods for sterilizing ballast.
What Is a decrease in velocity called
What is the common factors of 15,45 and 90
Fifteen students in the band play clarinet. These 15 students make up 12% of the band. Your friend uses the proportion 12/100=?/15 to find the number of student
What was muhammads profession?
what is 3 and 3/4 times 2 and 2/5.please explain process