swappuppet77 swappuppet77

17-11-2020
Mathematics

contestada

solve 2x+y=3.5,-x+2y=2.5

Respuesta :

smitheldan13 smitheldan13

17-11-2020

Answer:

y=1.7

x=.9

Step-by-step explanation:

Answer Link

cupcakepoopeedoop cupcakepoopeedoop

17-11-2020

Answer:

x = 1.75 -y, y = 1.25 + x

Step-by-step explanation:

Part One

2x + y = 3.5

Divide

x + y = 1.75

Move the variable and change its sign

x = 1.75 -y

Part Two

-x + 2y = 2.5

Divide

-x + y = 1.25

Add

y = 1.25 + x

Answer Link

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