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7. solve. 3x + 3 = 21 (1 point)
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4 votes
7. solve. 3x + 3 = 21 (1 point)

User Sritmak
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2 Answers

4 votes
The answer is 6. Subtract three from both sides, then divide by three and x=6
User Nikolay Spassov
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3 votes
3x+3=21
-3 -3
3x=18

Divide both sides by 3

X=6

User Hadi Satrio
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6.7k points
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