rotgansgiuliann rotgansgiuliann
  • 15-06-2018
  • Mathematics
contestada

Solve 30 = −5(6n + 6), justifying each step with an algebraic property.

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EchoIocation
EchoIocation EchoIocation
  • 15-06-2018
1) property of distribution: 30 = -30n - 30
2) inverse property of addition: 60 = -30n
3) inverse property of multiplication: -2 = n

step 2: subtract 30 from both sides
step 3: divide -30 from both sides
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