bamlakaklilu bamlakaklilu

10-11-2016
Mathematics

contestada

-3x+3y=3
-5x+y=13
Solve for substitution

Respuesta :

intelplayz intelplayz

11-11-2016

Take -5x + y =13 and rearrange for y:
y=13+5x

Substitute into other equation for y:
-3x+3(13+5x)=3

Multiply out brackets:
-3x+39+15x=3

Simplify:
12x+39=3

Rearrange for x:
12x=-36
x=-3

Substitute back into y=13+5x:
y=13+5(-3)
y=13-15
y=-2

Answer Link

Otras preguntas

The deserts found in the western united states are primarily the result of being located ________.

Tim's gross pay $1568 the amount of social security deducted is 6.2 % of gross pay how much of his gross pay will be deducted for the social security tax A) $97

How do you measure mass, volume, and density of various types of objects?

How is this not the answer? Please help. Btw: please don't put same answer xD If you can answer both that would be awesome c:

how was the growth of the Republic aided by the roman army,s use of legions in warefare

Which european power was the last to control the area of oklahoma?-britain-spain-france-portugal

Solve the system of linear equations by elimination x + 4y = 1 3x + 5y = 10 Solution ( , )

Which expression shows how to find the number of students that play each instrument. How many students play the clarinet?

2,000 pencils are being divided into packages of 15. How many pencils will be left over?

Companies try to produce less so they can earn higher profits.

good job