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OpenStudy (anonymous):
solve the system using substitution. x=2/5y-3 , x=2y-18
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OpenStudy (campbell_st):
let the 2 equations equal each other since they are both equal to x 2/5 y - 3 = 2y - 18 add 18 to both sides 2/5 y + 15 = 2y subtract 2/5 y from both side... then solve for y
OpenStudy (anonymous):
okay thank you
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