mohdaflahpk
mohdaflahpk mohdaflahpk
  • 14-02-2021
  • Mathematics
contestada

checK if x=2 is a solution of a) 7x+5=21 b 2*-2=2

Respuesta :

mirandarhiana
mirandarhiana mirandarhiana
  • 14-02-2021

Answer:

First, substitute x for 2 in 7x+5=21.

7 * 2 = 14 + 5 = 19

x = 2 is not a solution of 7x+5=21.

Answer Link

Otras preguntas

Q # 6 please help to resolve
During a revolution against European rule, a Latin American leader wrote the following passage. Which Enlightenment principles does the author hope to establish
what it call to lose weight and gain it back again
Would changing the amount of NaOH used in reaction 1 affect the value obtained for the energy given off per mole of NaOH? Explain.
your friends sit in a sled in the snow. If you apply a force of 120 N to them, they have an acceleration of 1.3 m/s^2.what is their mass?
Nina can ride her bike 63,360 feet 3,400 seconds and Sophia can ride her bike 10 miles in 1 hour what’s is Nina’s rate in miles per hour in there are 5,280 feet
I'd seriously love to hear y'alls opinions. Do you agree with the statement by some people that death is the ultimate sacrifice? What are some examples of peopl
someone please help me. SERIOUS answers only.
Natural selection in a population leads to evolution when: A. every new generation of the population is a new species. B. an offspring does not have all t
Re-write the quote in Modern English. Act I, Scene i: Benvolio to Romeo: Then she hath sworn that she will still live chaste?