samuelhayes samuelhayes

04-02-2021
Mathematics

contestada

Solve the system by substitution. -3x+3=y -x+3y=29

Respuesta :

UnLedZep UnLedZep

04-02-2021

Answer:

x=-2 , y=9

Step-by-step explanation:

[tex]\left \{ {{-3x+3=y} \atop {-x+3y=29}} \right.\\-x+3(-3x+3)=29\\-x-9x+9=29\\-10x=29-9\\-10x=20\\x=\frac{20}{-10} =>x=-2\\\\-3x+3=y\\-3(-2)+3=y\\6+3=y=>y=9[/tex]

Answer Link

Otras preguntas

If the hypotenuse is 10cm and one of the legs are 5 then b=

The earth gets heat energy from the sun through: convection conduction radiation all of the above

which of the following illustrate the commutative property? select all that apply a) 3+4+6=3+6+4 b) 3*(4*6)=(3*4)*6 c) 2-4-5=4-2-5 d) 9*2*7=7*9*2 e)2+3+

Which of the following would be considered the least reliable source? a university web site museum web site a blog Boston Globe newspaper article

What is the best explanation for why a particle is striking point x?

Why are common names not a good reference to a species?

A built-in tool that enables you to use text to type in commands for the operating system is called the _____ prompt.

In Oceania and Australasia, what are some reasons native species face extinction?

when are magnets attracted and when are they repelled.

What is the solution to the following equation? 5(2x − 14) + 23 = 7x − 14