anishaadhikari478
anishaadhikari478 anishaadhikari478
  • 01-09-2021
  • Mathematics
contestada

sunayana thought of number. She trebled it and subtracted 7 from it. If she got 8, find the number she thought of.​

Respuesta :

Meowsie13
Meowsie13 Meowsie13
  • 01-09-2021

Answer:

Number she thought = 5

Step-by-step explanation :

-The number sunayana took :- x

- The number after she trebled it :- 3x

So,

-3x - 7 = 8

= 3x = 7 + 8

= 3x = 15

= x = 15 / 3

= x = 5

Hope It helps :)

Answer Link
keithkhumal02
keithkhumal02 keithkhumal02
  • 01-09-2021

Answer:5

Step-by-step explanation:5×3=15

15_7=8

Answer Link

Otras preguntas

Which answer best expresses the effects of the British sending troops to Concord, Massachusetts to seize weapons?
Human genetic diseases such a cri-du-chat, angelman syndrome and prader-willi syndrome are the result of which type of chromosomal change?
Given: ΔABC is a right triangle. Prove: a2 + b2 = c2 Right triangle BCA with sides of length a, b, and c. Perpendicular CD forms right triangles BDC and CDA. C
locate the empire that was rome main rival for control of the mediterranean Sea
TRUE OR FALSE Each and every are indefinite pronouns. True False
Which facts about the worlds rain forest are true
Earths magnetic poles do not stay in the same place. Write a possible explanation for why earths magnetic poles move.
5 times (8-2)-9 exponent 2
If b represents the allele for black eyes (dominant) and b represents the allele for orange eyes (recessive), what would be the genotypic ratio of a cross betwe
About _____ percent of grandparents in the united states are raising grandchildren.