timothy566 timothy566

02-01-2017
Mathematics

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solve the system of equation y=1/2x-2 and 3x+y=5

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LamZhaoWei LamZhaoWei

02-01-2017

3x+0.5x-2=5
3.5x-2=5
3.5x=5+2
3.5x=7
x=7/3.5
x=2
y=0.5(2)-2
y=1-2
y=-1

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