AZNGhost
AZNGhost AZNGhost
  • 13-01-2021
  • Mathematics
contestada

21y+7x=56? what is the value of X

Respuesta :

Аноним Аноним
  • 13-01-2021

Answer:

x = 8 - 3y

Step-by-step explanation:

[tex]21y+7x=56\\\\21y-21y+7x=56-21y\\\\7x=56-21y\\\\\frac{7x=56-21y}{7}\\\\\boxed{x=8-3y}[/tex]

Hope this helps.

Answer Link

Otras preguntas

Solve compund inequality -3<2x-1<5
Betty and Ahmed are standing 4.0 m in front of a camera, which has a converging lens with a focal length of 0.045 m. The distance between the image and the lens
We know that there are English levels: A1 A2 B1 B2 C1 C2 So, which level of people would take ELD class for high school?
what is n id 3.2=1.06^n
The total cost of gasoline varies directly with the number of gallons purchased. Edie pays $22.68 for 12 gallons of gasoline. Which equation shows the relations
find an equation in slope intercept form for the line though point P(-3,2) and perpendicular to the line containing the two points (2,3) and (1,-2)
I know the solution of the problem, but the only thing I don't understand is how angle DBC equals 62° (the answer says it's to do with the rule 'angles in the s
A computer system marked $800 is sold at discount of 16%. What is the discount? please show work
what is the slope of the line
Please Help! If f(x)=4x^2 and g(x)=5 what is g(f (2x) ) ?