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O triplo de um número, menos 10 é igual ao próprio número mais 70. Qual é esse número?
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5 votes
O triplo de um número, menos 10 é igual ao próprio número mais 70. Qual é esse número?

User Dilan Sanjaya
by
8.1k points

2 Answers

5 votes

Answer:

Explanation:

User Sletheren
by
7.7k points
3 votes

Answer: 40

Explanation:

3x-10=x+70

3x-x=70+10

2x=80

x=80

2

x=40

User Dotalchemy
by
8.0k points
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