Question

Solve 2 questions for this assignment.

Answer 1

3(2+7n)-5(6n+7)

step by step

(3)(2)+(3)(7n)+(−5)(6n)+(−5)(7)

=6+21n+−30n+−35

Combine Like Terms:

=6+21n+−30n+−35

=(21n+−30n)+(6+−35)

=−9n+−29

−3(7x−1)+3x

Step by step

(−3)(7x)+(−3)(−1)+3x

=−21x+3+3x

Combine Like Terms:

=−21x+3+3x

=(−21x+3x)+(3)

=−18x+3

Answer 2

1: n = 5
2: x = 5

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