| simplify expressions |
|---|
|
What is 77n+9+66n
143n+9
|
|
What is 63(8+21x)=
1,323x+504
|
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what is -21x-72x=
-93x
|
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what is 3(6+83z)=
249z+18
|
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-100k-200k=
-300k
|