Clueless670 Clueless670

02-12-2016
Mathematics

contestada

-6x+4y+4z=6
-5x+2y-4z=23
2x+5y-4z=25

Respuesta :

02-12-2016

-6x+4y+4z=6
-5x+2y-4z=23
----------------------
-11x+6y =29

-5x+2y-4z=23
2x+5y-4z=25
-------------------
7x + 3y = 2
3y=2-7x
6y=4-14x = 29+11x
25x = -25
x = -1

2y=2-7x
3y = 2+7 =9
y=3

-6x+4y+4z = 6
6+12+4z = 6
4z = 12
z = 3

Answer Link

Otras preguntas

SP: Describe what moment is, give the formula and unit for it. Rearrange the equation to make a force as a subject

Burning gasoline is an _____________ reaction.

According to the chart, which statement is MOST accurate?A) HCl has the highest pH and highest [H+] concentration. B) KOH has the highest pH and the highest [OH

Besian bought 6 ice cream cakes for $48 dollars. Write an equation that represents the total cost, y, of x ice creams cakes.

Kenneth John makes a deposit at an ATM and receives $75.00 in cash and a receipt for the $872.25 total deposit. He remembers that the checks deposited totaled t

Fill in 6 There was little farmland 7. A source of food was provided 8 Villages and towns were separated from each other 9. Greeks were able to trade with other

The diagram below represents a 155-newton box on a ramp. Applied force F causes the box to slide from point A to point B. What is the total amount of gravitatio

Which of these is a characteristic of a reform movement?

What is the slope? Help me please I really am stuck on this

The amount of money in an account can be determined by the formula A re where is the initial investment, r is the annual interest rate, and tis the number of y