2x-y=1
-2x -2x
-----------------
-y=-2x+1
Multiply by -1
y=2x-1
x+y=2
-x -x
------------
y= -x+2
-2x -2x
-----------------
-y=-2x+1
Multiply by -1
y=2x-1
x+y=2
-x -x
------------
y= -x+2
A tree is 8.5 meters tall. What is its height in feet? Ues the following conversion: 1 meter is 3.3 feet.
2 answers:
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