nyleighcaptain nyleighcaptain
  • 25-04-2018
  • Mathematics
contestada

-2x+y=7
y=-4x-11
answer choices
a.(3,1)
b.(10,-51)
c.(0,7)
PLEASE SHOW WORK!!

Respuesta :

Therefore
Therefore Therefore
  • 25-04-2018
we can use substitution to insert one equation into the other
so then it's -2x+(-4x-11)=7
then it becomes -6x-11=7
then -6x=18
then our answer, x=-3
Answer Link

Otras preguntas

Why do photographers use umbrellas? What benefits do they offer?
The polynomial of degree 5, P(x) has leading coefficient 1, has roots of multiplicity 2 at x=1 and x=0, and a root of multiplicity 1 at x=-2 Find a possible fo
In a class of 20 students,60%are girls How many students are girls?
Which of the following groupings contains only representative elements: a. cu, co, cd or b. al, mg, li??
what did Washington mean when he wrote that the maxim "honesty is the best policy" should be applied to foreign relations?
Carlos has $214. About how much money does Carlos have? Round to the nearest 100.
Solve the equation check your solution What is -z/4=-3/4
how do you solve this? -7+2t=7 please show work!
26% of what number is 44.2
There are 3 inches of snow on the ground when it begins to snow 0.5 inches per hour. Which linear equation represents the total depth of the snow, in inches