Question

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

Answer 1

x = 1.75 -y, y = 1.25 + x

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 2

y=1.7

x=.9

Explanation: