lulustar13 lulustar13

04-02-2019
Mathematics

contestada

Solve this equation using substitution.

{4x + y = −2}
{4x + 6y = 44}

Respuesta :

mathecoach mathecoach

04-02-2019

Answer:

4x + y = −2 --> 4x = -y - 2

4x + 6y = 44

Substitute 4x in the 2. equation.

(-y - 2) + 6y = 44

5y - 2 = 44

5y = 46

y = 9.2

4x = -9.2 - 2

4x = -11.2

x = -2.8

Answer Link

Otras preguntas

String a is 3 3/5 meters long string b is 2 1/4 meters long. What’s the total length of both strings?

What question did Hardy and Weinberg want to answer? m ASSA ate SON RE ES O A. Are all traits in plants controlled by genes? O . Is it possible to breed a plant

When you push a child on a swing, you are doing work on the child because _____. the child is moving in the direction you are pushing you are allowing the child

In a year the number of people dying from cancer was 5 times the number who died from accidents. If the number of deaths from these two causes totaled 360,000,

What is incorrect among those??

What is the purpose of a symbol

What is another name for taxonomy

If the equation of a function is y = x2 - 5, what is the output when the input is -1?

If it is exact find a function F(x,y) whose differential, dF(x,y) gives the differential equation. That is, level curves F(x,y) = C are solutions to the differe

Expansionary fiscal policy actions include __________ government spending and/or __________ taxes, while contractionary fiscal policy actions include __________