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37 votes
37 votes
Solve each equation. Show all work.

1. 6( 1 + n) = 8 n − 3( n − 7)
2. −7( 4 x + 7) = 3 + 4( −4 − 6x)

User Richard Corden
by
2.7k points

1 Answer

15 votes
15 votes

Answer:

1 -15

2 -9

Explanation:

First Question

6(1+n) =8n- 3 (n-7)

6+6n=8n-3n+21

6+6n=5n+21

-5n -5n

6-1n=21

-6 -6

-1n=15

n=-15

Second Question

-7 (4x+7)= 3+ 4(-4-6x)

-28x-49=3-16-24x

-28x-49=-13-24x

+24x +24x

-4x-49=-13

+49 +49

-4x=36

x=-9

User Katenoox
by
2.9k points