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Solve this multi step equation: 8a + 2(1 - 5a) < 20 (dash under <)
Okay. Basically, a is greater than or equal to 9. First, you do distribute the 2. 8a+2-10a(< or =)20 Subtract two on both sides. 8a-10a(< or =)18 Then subtract 10a from 8a -2a(< or =)18 Divide by two on both sides and switch around the greater than sign since you divided by a -2 a(> or =)-9 And if you check, -9 works, -8 works, and -10 doesn't work.
Distribute 2(1-5a) 8a+2-10a<20 Combine like terms -2a+2<20 Subtract 2 from both sides -2a<18 Divide both sides by -2, when dividing by a negative number flip the sign So the answer is a>-9
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