Seudónimo Seudónimo

24-01-2017
Mathematics

contestada

x = 1 + y
3x - 6y = -12
a. (-2,-1)
b. (2,3)

Respuesta :

24-01-2017

3 (1 + x) - 6y = -12
3 + 3y - 6y = -12
-6y = -9
y = -1.5

x = 1 + (-1.5)
x = -0.5

Answer Link

Otras preguntas

The First Amendment guarantees 1.due process of law. 2.religious freedom. 3.the right to a fair trial. 4.the right to bear arms.

One angle of a triangle measures 122 degrees. The other two angles are congruent. Enter and solve an equation to find the measure of the congruent angles

Was absolute monarchy an effective system?

Which of the following is an even function? O g(x) = (x - 1)2 + 1 O g(x) = 2x2 + 1 O g(x) = 4x + 2 O g(x) = 2x

Eight more than twice a number is four times the difference between five and the number

Could someone show me the work for the answer?

Explain why steel is so commonly used in engineering applications.

Three moles of an ideal gas undergo a reversible isothermal compression at 22.0°C. During this compression, 1700 J of work is done on the gas. What is the chang

If x and y are positive integers, each of the following could be the greatest common divisor of 30x and 15y EXCEPT30x. 15y. 15(x + y). 15(x - y). 15,000.

Solve the following system by the method of reduction. 4x-16z=24 2x-3y-3z=25 2x+2y-3z=-5 4x+2y+2z=-6