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24-02-2015
Mathematics

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y=2x-3
y=-3x+2

Systems by graphing

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24-02-2015

to solve subsitute

since y=2x-3
and y=-3x+2
2x-3=y=-3x+2
solve for x
2x-3=-3x+2
add 3x to both sdies
5x-3=2
add 3 to both sdies
5x=5
divide by 5
x=1

subsitute
y=2(1)-3
y=2-3
y==-1

x=1
y=-1

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