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Mathematics 20 Online
YoursTruly:

Solve the compound inequality 11 < 2x + 3 < 21 4 < x < 9 4< x < 12 7 < x < 12 7< x < 9

TrudyAnne:

11<2x+3<21 {11<2x+3 {2x+3<21 {11+(-3)<(2x+3)+(-3) {(2x+3)+(-3)<21+(-3) 4<x<9

YoursTruly:

Thank youuuuuuuuuuuuuu you have no idea what this means

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