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

The record high January temperature in Austin, Texas, is 90 degrees F The record low January temperature is -7 degrees F, Find the difference between the high a
the formula for converting Celsius temperatures to Fahrenheit temperatures is a linear equation. water freezes at 0 degree Celsius, or 32 degree Fahrenheit. fin
what are collisions and combinationations of gas and matter called
How do you describe a neuron?
What impact did the Magna Carta have on the English monarchy?
Ceaser chavez led this group
What most fundamentally aided the spread of Enlightenment ideas from Europe to America? A-the high literacy rate in American colonies B-the availability of news
how are lungs and gills similar?
Which of the following is a true statement about the countries highlighted on the map? A)They are the greatest supporters of international efforts to develop r
the diagram, AB←→ || CD←→. Which pair of angles can be proven congruent? ∠EIA≅∠KIJ ∠EIA≅∠GJI ∠GJB≅∠IKL ∠GJB≅∠JLK