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OpenStudy (anonymous):
Please help me :)
I z+3 I<=7
A.)z<=-10 or z=>4
B.)-10
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OpenStudy (anonymous):
I z+3 I<=7 z+3<=7 subtract 3 from both sides z<=4
OpenStudy (anonymous):
Immediattly that eliminates A-C being your answer D is your answer
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