seannn00
seannn00 seannn00
  • 02-12-2019
  • Mathematics
contestada

solve this system of equations.
x-y=2
2.5x + y =5

Respuesta :

Yang100
Yang100 Yang100
  • 03-12-2019

Answer:

x=2, y=0. (2, 0).

Step-by-step explanation:

x-y=2

2.5x+y=5

---------------

x=y+2

2.5(y+2)+y=5

2.5y+5+y=5

3.5y=5-5

3.5y=0

y=0/3.5

y=0

x=0+2=2

Answer Link

Otras preguntas

Is 10.01 and 10.10 less or greater than
why do historians have to include a citation when paraphrasing an idea from another source ?
what are two ways u can write this as a algebraic expression
A circular plastic rod with uniform charge q produces an electric field of magnitude e at the center of curvature (at the origin). in figs. 22-28b, c, and d, mo
One longer work that Johnson published was
Harvey kept a balloon with a volume of 348 milliliters at 25.0˚C inside a freezer for a night. When he took it out, its new volume was 322 milliliters, but its
Which culture developed the only writing system in the western hemisphere?
One hen story beginning middle and end
Is 55.56 greater or less than 55.65
Read the quotation from "Ain't I a Woman?" Look at me! Look at my arm! I have ploughed and planted, and gathered into barns, and no man could head me! And ain’t