SydGrahl
SydGrahl SydGrahl
  • 13-02-2019
  • Mathematics
contestada

Use substitution to solve, please.​

Use substitution to solve please class=

Respuesta :

Asdfjkadfjkakjf Asdfjkadfjkakjf
  • 13-02-2019

Answer:

Step-by-step explanation:

1. 4x+2y=-12

2. 3x+y=-10

subtract 3x from left n right of 2. the eqn becomes

3. y=-10-3x

substitute 3. into eqn 1.

4x+2(-10-3x)=-12

4x-20-6x=-12

2x=-20+12

x=-4

y=-10-3(-4)=2

Answer Link

Otras preguntas

find the equation of the line using exact numbers y=? and x+?
Please I really need this fast Find the values of a and b in the kite below.
you are purchasing the ingredients for your first cooking project in culinary school. You are making a new salmon dish. Salmon cost $6 per pound. find the cost
Brainliest and like your answer and 23 POINTS!!That's your lucky day!!How do I write a good research report essay in a computer?​
The weights of pink salmon in a fishery are normally distributed, with a mean of 3.25 pounds and a standard deviation of 0.25 pounds. What is the probability
Express 1.3 as a percent.
PLEASE HELP !!!!!!!!!
Which career professionals typically has the highest level of education? A) Systems Analysts B) Support Specialists C) Computer Systems Engineers/Architects D)
which is a characteristic of the high classical period of greek art A) idealized B) order C) Proportion D) All of the above
what is the length of the rectangle