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3x + 9x= 6x + 42 i would also like an explanation

3x + 9x= 6x + 42 i would also like an explanation
asked 10.3k views
3 votes
3x + 9x= 6x + 42 i would also like an explanation

asked
User Shadowtrot
by
8.0k points

1 Answer

4 votes

Answer:

x=7

Explanation:

3x+9x=6x+42 add simalar elements 3x+9x=12x

12x=6x+42

12x-6x=6x+42-6x subract 6x from both sides

6x=42 simplify

6x/6=42/6 divide both by 6

x=7

answered
User Lareau
by
8.8k points
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