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Is 1+4(3x-10)-12x equivalent to -39? Explain.

2 Answers

2 votes
1+12x-40-12x= -39
Cancel +12x and -12x since equals 0
1-40= -39
-39= -39
It is equivalent. Good luck.
User Ninthpower
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4 votes

Explanation:

1. Review a given problem :
1+4(3x-10)-12x

2.distributive property:
4\left(3x-10\right) = 12x-40


=1+12x-40-12x

3. Simplify:
1+12x-40-12x


-39 +12x-12x


=-39

User Shprink
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4.1k points