elephant2001
elephant2001 elephant2001
  • 03-11-2016
  • Mathematics
contestada

What is the value of x in the equation 3x – 4y = 65, when y = 4?

Respuesta :

texaschic101
texaschic101 texaschic101
  • 03-11-2016
so we r gonna sub in 4 for y and solve for x

3x - 4y = 65
3x - 4(4) = 65
3x - 16 = 65
3x = 65 + 16
3x = 81
x = 81/3
x = 27...so when y = 4, x = 27
Answer Link

Otras preguntas

Heating zinc sulfide in the air causes the formation of
What is the formula for the volume of a cuboid?
what percentage of 1457 is 898?
Put brackets in the expression below so that it's value is 45.024. 1.6 + 3.8 * 2.4 *4.2 (*= times )
what is the sum of 6 7/8 + 4 5/8
why is red onions purple
Heating zinc sulfide in the air causes the formation of
Genetic crosses Question:A brown coat is dominant to a white coat in cattle.  A farmer has a brown bull.  How would you determine whether the bull is a heteroz
The sum of a number and 18 times its reciprocal is 11. Find the number(s). Let x represent the unknown number. The Reciprocal of x is____?
what is perpendicular to y= 3x -9 and passes through the point (3,1)