ashantipena200 ashantipena200

02-02-2018
Mathematics

contestada

x+2y=200
x=y+50
find the substitution

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meredith48034 meredith48034

02-02-2018

y + 50 + 2y = 200

3y + 50 = 200

3y = 150

y =50

x = 50 + 50

100 = 50 + 50

100 = 100

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