Seudónimo Seudónimo
  • 12-04-2018
  • Mathematics
contestada

plz help!! thanks :))))))

plz help thanks class=

Respuesta :

wizard123
wizard123 wizard123
  • 12-04-2018
Subtract the equations

   x  +   y   = 3.5
-3x   -y     = -2.5
-----------------------
-2x + 0  =  1


Solve for x
-2x = 1
x = 1/(-2) = -1/2 = -0.5

Sub into 1st equation:
-0.5 + y  = 3.5
y = 3.5 + 0.5 = 4

Solution = (-0.5,4)
Answer Link

Otras preguntas

The Emergency Economic Stabilization Act of 2008 was designed to help
How does the writer best use evidence to support the claim? Select three options.
The purpose of this assignment is to determine a set of test cases knowing only the function’s specifications, reported hereafter:The program takes as input a
Kiasha Johnson, 4 years old, is being seen today for suspected otitis media. The physician decides to delay prescribing antibiotics to see how the child does in
Solve and write in simplest form, 4/6 x 6/8
PLEASE ANSWER ASAP!! pic attached. will mark brain list IF you’re correct
PLS HELP I NEED IT RN WILL MARK THE BRAINLIEST PLSLSPSophie invests a total of $4500 in two separate accounts. One account pays 4% interest per year and the ot
Water and soil are brought into the Indus River Valley as a result of
Typically, the Republican Party has more _______________views than the Democratic Party'
Help please text timed ASAP !!