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mezya [45]
3 years ago
8

if 10 is less than a number is multiplied by 3, the result is equal to 2 times the number. What is the number?

Mathematics
2 answers:
mario62 [17]3 years ago
8 0
Let the number be x.
3(x - 10) = 2x     | 10 less than x multiply be 3 equal 2 times x

3x - 30 = 2x        | Distribute 3

x - 30 = 0            | Subtract 2x from both sides

x = 30                 | Add 30 to both sides

Answer: The number is 30.
olya-2409 [2.1K]3 years ago
4 0
Hello!

We know that

(x - 10) * 3 = 2x

Distribute the 3

3x - 30 = 2x

Subtract 2x from both sides

x - 30 = 0

Add 30 to both sides

x = 30

The answer is 30

Hope this helps!
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