Sydfly333 Sydfly333

20-02-2017
Mathematics

contestada

Solve using systems of equations. -3x-4y=-8
3x+3y=9

Respuesta :

SyntaxError SyntaxError

20-02-2017

Sure thing!

[tex]-3x-4y=-8\\ 3x+3y=9\\ ----------\\ 0x-1y=1\\ y=-1\\ [/tex]

since y = -1 we can just plug it into the first equation
[tex]-3x-4(-1)=-8\\ -3x+4=-8\\ -3x=-12\\ x=4[/tex]

Answer Link

Otras preguntas

If 11.0 g of ccl3f is enclosed in a 1.1 −l container, will any liquid be present?if so, what mass of liquid?

AN OPERA WHERE THE FROG IS MAIN CHARACTER, WATER NYMPH FALLS IN LOVE WITH HIM. IT WAS PERFORMED BY THE PARIS OPERA NOT TOOL LONG AGO.

"if a 40-pound weight stretches the spring 4 inches, ,find the distance that a 45-pound weight stretchs the spring"

The use of african slaves in the north american colonies proved more profitable than enslaving indigenous people for several reasons, including:

Many surface military ships use sonar as one method for detecting submarines. How would the temperature, density, and salinity of water affect the usefulness of

The structure of a(n) _____ sonnet contains an octave and a sestet.

Which of the big three nations bore the brunt of the fighting in europe during the period from 1941 to 1944?

which city lies north 30 north latitude and south of Byblos

Assuming the density of 3% h2o2 is 1.00g/ml, what mass of h2o2 is in a 1.00ml sample? how many moles is this ?

If a pet store wishes to determine the level of customer satisfaction with its services, would it be appropriate to conduct an experiment