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History, 11.11.2019 18:31 brookicooki99
2x + y = 7
y=x+1
when the expression x+1 is substituted in fory in the first equation, the result is
x + 1 = 7
2x + 1 = 7
3x + 1 = 7
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Answers: 1
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2x + y = 7
y=x+1
when the expression x+1 is substituted in fory in the first equation, t...
y=x+1
when the expression x+1 is substituted in fory in the first equation, t...
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