MAT 116 Week 3 Solve [3]

# MAT 116 Week 3 Solve [3] - Week 3 CheckPoini{4 m G we 6...

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Unformatted text preview: - . Week 3 CheckPoini {4- { m. @. G}. we 6%! ©O @. @0 ©. Q). .F 3*} @Exercise'Score: o.5 0F 1 pt _i\ss_ignment Scare: 93.3% (26.5 of. so pts.) an of 3'0 :- Solve. Solve. 2(5y-ﬁ)25(3y+o) ﬁa-4(a-2)S4(a+ 3) Use set-builder notation to describe the complete solution set {yly '5 "ts—i (Simplify your answer. Type an inequality symbol; then type an improper fraction.) The ﬁrst step is to remove the parentheses by using the distributive property. ﬁa-4(a-2)s4(a+3) oa-4a+ 8 343+ 12 Next, collect like terms. 6a-4a+854a+12 23+ 3 S4a+ 12 Subtract 8 from both sides 28+8-8s4a+12—8 23£4a+4 "he next step is to get all the terms with variables on the left side. "o do so, subtract 4a from both sides. Question is complete. Roll your mouse over the red indicators to see incorrect answers 23—4354a+4—4a all parts shawin'g - 2a g4 The next step is to get the a-term alone. To do so, divide both Sides by - 2. Notice that when you multiply or divide both sides of an inequality by a negative number, reverse the inequality symbol. The last step is to display the solution set in setrbuilder notation. {8 | a 2 ‘ 2} Question is complete. ﬁlr parts shag-ﬁng- _ ...
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