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15x + 6 = 10x + 21 x = 3 x = 5 x = 5 x = -5

15x + 6 = 10x + 21 x = 3 x = 5 x = 5 x = -5
11.0k views
3 votes
15x + 6 = 10x + 21

x = 3
x = 5
x = 5
x = -5

User David Homes
by
7.3k points

1 Answer

5 votes
15x + 6 = 10x + 21
-10x -10x

5x + 6 = 21
-6 -6

5x = 15, divide both by 5

x=3
User Allan Chua
by
8.4k points
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