How do you put variables expressions in a casio fx -260solar Fraction calulato?

Algebra
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How do you put variables expressions such as x or y in a casio  fx -260solar Fraction calulator?  EX.  3 (2-X)+4=3X-2 (2X+3)  Or 3 (x+2y)=4+7y. SOLVE FOR Y

Oct 13th, 2014

3 (2-X)+4=3X-2 (2X+3)
6-3x+4 = 3x - 4x - 6
10-3x = -x -6
3x-x = 10+6
2x = 16
x = 8

3 (x+2y) = 4+7y
3x+6y = 4+7y
7y-6y = 3x-4
y = 3x - 4
put x=8
y= 3(8)-4 = 24-4 = 20
y=20

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Jun 16th, 2015

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