mackenzeelohrepdxh7h mackenzeelohrepdxh7h
  • 17-09-2018
  • Mathematics
contestada

Solve the following equation. 3(x – 7) – x = 2x – 21 1 point

Respuesta :

gmany
gmany gmany
  • 17-09-2018

[tex]3(x-7)-x=2x-21\ \ \ \ |\text{use distributive property}\\\\(3)(x)+(3)(-7)-x=2x-21\\\\3x-21-x=2x-21\ \ \ \ |+21\\\\3x-x=2x\\\\2x=2x[/tex]


Answer: all real numbers. The equation is identity.

Answer Link

Otras preguntas

A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
How do you use implicit differentiation to find x^2+3xy+y^3=10
What military strategy defeated Cornwallis at Yorktown?
Convert 3/11 into a percent?
Dennis had a piece of rope that was 2.7 m long. He cut the rope into 3 equal pieces. Was each piece of rope greater than or less than 1 m?
please solve the following equation. x-6x=56
How do you use implicit differentiation to find x^2+3xy+y^3=10
How do you use implicit differentiation to find x^2+3xy+y^3=10
please solve the following equation. x-6x=56
Why did the slogan Peace Land and Bread appeal to the Russian people?