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Anvisha [2.4K]
3 years ago
8

5(2r+6)-12r ; Simplify

Mathematics
1 answer:
Alik [6]3 years ago
7 0

First, use distributive property:

5(2r+6)-12r  <em>The original expression; multiply 5 by 2r, and 5 by 6.</em>

10r+30-12r  <em>Keep the -12r, just add it on to the end of the number(s) you found</em>

Next, use communitive property:

10r+30-12r  <em>What we found in the previous step</em>

-2r+30        <em>Combine the like terms; 10r-12r=-2r, then place the 30 at the end</em>

Done! Your answer is -2r+30.

Hope that helps!

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