Smithy177 Smithy177
  • 03-06-2021
  • Mathematics
contestada

Using the properties of equality to solve the equation -3x - 9 = -21, you would

add 9 and then divide by -3
add 9 and then multiply by -3
subtract 9 and then divide by -3
subtract 9 and then multiply by -3 ?

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john7961 john7961
  • 03-06-2021
Add 9 and divide by -3
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