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4 votes
If 75 equals a number plus four times the number, find the number

User Ttncrch
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2 Answers

3 votes
75 = x + 4x
75 = 5x
75 ÷ 5 = x
15 = x'

User WillD
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4 votes
x + 4x = 75
Combine like terms:
5x = 75
Divide by 5 on each side of the equal sign:
x = 15
User JiaChen ZENG
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