tlmbryant2004 tlmbryant2004

02-05-2020
Mathematics

contestada

What is the best way to solve the system of equations below? *
-3x-3y=3
y=-5x-17
a. Elimination
b. Substitution

Respuesta :

hello6538 hello6538

02-05-2020

The best method is substitution

Answer Link

dlrow11 dlrow11

02-05-2020

Answer:

b. Substitution

Step-by-step explanation:

-3x-3y=3

+3x . +3x

-3/(-3y)=(3+3x)/-3

y= -1-x

-1-x=-5x-17

+5x . +5x

-1+4x= -17

+1 . +1

4/(4x)=(-16)/4

x=-4

y=-1-x

y=-1--4

y=-1+4

y=3

Answer Link

Otras preguntas

there are 30 children in my class. i have 12 sets of mathematcs equipment. i want to arrange the tables in groups so that the equipment is shared equally among

Work out the size of an interior angle of a regular nine sided figure.

Each of the options below describes a relationship that you need to graph on a coordinate plane. Which of the options will have a slope of 12? Select all that a

Ms. Tang has asked Keith and Judy to paint small hearts on their classroom walls. Keith has painted 33 hearts and is painting at the rate of 10 hearts per hour.

Write the quotient when the sum of 73 and 37 is divided by(i) 11 (ii) 10

What driving behavior is commonly associated with slowing down just to look at collisions or anything out of the ordinary?

find the length of the third side

A child in a wagon of total mass 32 kg is traveling at 1 m/s at the top of a large hill. The child-wagon system coasts down the hill. At the bottom of the hill

Determine the requested value. THERE IS PICTURE!

Hello everyone! I need some help on finding out the equation that shows the same relationship as 42=7\div\dfrac{1}{6} Please help!