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What is the solution set for 8x-9=11x+12

What is the solution set for 8x-9=11x+12
asked 4.5k views
3 votes
What is the solution set for 8x-9=11x+12

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User Zelazowy
by
7.2k points

2 Answers

6 votes
8x - 9 = 11x + 12
-8x -8x
-9 = 3x + 12
-12 -12
-21 = 3x
3 3
-7 = x
answered
User Lifes
by
8.3k points
2 votes
8x-9=11x+12
8x-11x-9=12
-3x-9=12
-3x=12+9
-3x=21
x=21/-3
x=-7
answered
User Yousername
by
7.7k points
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