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X + x + 2 + x + 4 = 81
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X + x + 2 + x + 4 = 81

User Mackendy
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2 Answers

6 votes
1. 3x+6=81
2.-6. =-6
3.3x=75
4. 3x/3 =75/3
5. x=25
User Bouffe
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5.2k points
7 votes

X + X + 2 + X + 4 = 81

First, combine numbers and Xs.

3x + 6 = 81

-6 -6

3x = 75

X = 25 ← divide by 3 on both sides

User JasperTack
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5.0k points
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