emmaattaway
emmaattaway emmaattaway
  • 24-01-2017
  • Mathematics
contestada

To solve an equation using substitution - the equations are y=6x-11
-2x-3y= -7

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 24-01-2017
so we see we got y=6x-11
sub 6x-11 for y int other eqution

-2x-3(6x-11)=-7
expand/distribute
-2x-18x+33=-7
-20x+33=-7
minus 33 both sides
-20x=-40
divide both sides by -20
x=2

sub back

y=6x-11
y=6(2)-11
y=12-11
y=1


x=2
y=1
(x,y)
(2,1)
Answer Link

Otras preguntas

If log2= 0.3010. log3= 0.4771, log5= 0.6990. calculate log15??​
Does anybody understand circle stuff? (See picture attached)
Please help I’ll mark you as brainliest if correct!
Which of the following transformations affect the y-values of a function? (Check all that apply) Horizontal dilations Vertical dilations Shifts left or right
which statement describes the relationship between diagramXand Gauty atrans only larger objects toward one another Gauty atracis larger obedis only they are clo
A patio is in the shape of a trapezoid. The length of the longer base is 17 feet. The length of the shorter base is two feet less than half the longer base. The
Describe an English sonnet
Which details form part of a memo's summary? A. the name and title of the memo's sender and all its recipients B. the explanation of the problem that the memo d
A man starts climbing a hill every minute he ascends 20 yards but slips down 5 yards. how long he will take to ascends a pt 80 yards highy​?
loretta did 96 math problems in 3 hours. what is the ratio per hour that she solved the math problems​