P0inkjaybean
P0inkjaybean P0inkjaybean
  • 01-10-2016
  • Mathematics
contestada

how can i solve this equation , is it an idenity or not ?: 15q-3(4q-6)=3q 9-9q

Respuesta :

ClutchMode
ClutchMode ClutchMode
  • 01-10-2016
15Q-12Q-18=-6Q+9
3Q-18=-6Q+9
+6Q     +6Q
9Q-18=9
     +18  +18


9Q=27
/9    /9

Q=3
Answer Link
dancer2416
dancer2416 dancer2416
  • 02-11-2018

15q - 3 (4q - 6)=3q + 9 - 9q

15q - 12q + 18 = 3q + 9 - 9q

3q + 18 = -6q + 9             Hint: subtract 3q and -6q

18 = -9q + 9                     Hint: add -9 + 9= -18

=18 /-18q                      

= -1q

Answer Link

Otras preguntas

What’s the number?!!!!!!
what's the leading cause of air pollution?
what are so good free movie apps or websites
Why was the Bill of Rights less powerful in the 19th century? The question of rights and freedoms in new states was unresolved. Economic hardships put issues of
17 – 6 × 10 ÷ 2 + 12
please help! I put all my points into this question, brainliest, thanks, rattings, etc. 1. How can the rate of a reaction be increased? increasing the temperatu
Which points represents a child who is 3 feet tall at 36 months?
In a certain function, an output is 4 more than half its input. Complete the input/output table for the function.
Kiley can complete 35 math problems in 1 1/4 hours.How many can she complete in one hour
—¿Con qué _____ los frijoles? —Con arroz. se sirven se hierve hierven se sirve