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bezimeni [28]
3 years ago
13

What is the solution to the equation 3(2x+5) = 3х+4x?

Mathematics
2 answers:
charle [14.2K]3 years ago
7 0

3(2x+5) = 3x+4x\\6x+15=7x\\x=15

elena-14-01-66 [18.8K]3 years ago
5 0

Answer:

x = 15

Step-by-step explanation:

Given

3(2x + 5) = 3x + 4x ← collect like terms

3(2x + 5) = 7x ← distribute parenthesis on left side by 3

6x + 15 = 7x ( subtract 6x from both sides )

15 = x ⇒ x = 15

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A medical researcher compares a new treatment for poison ivy against a traditional ointment. He finds that the new treatment sig
Step2247 [10]

Answer:

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Step-by-step explanation:

We are given the following in the question:

Hypothesis:

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3 0
3 years ago
What is the sum of all positive integers n ≤ 20 that satisfy the condition that if n is odd, then n is a multiple of 5? I will g
irinina [24]

The sum of all positive integers that satisfy the condition as described is; 100

The number set of n is therefore;

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According to the question;

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The data set therefore includes all odd numbers; This is so because the question says; if n is odd; then n is a multiple of 5.

The sum of all positive integers that satisfy the condition is therefore;

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Answer: b

Step-by-step explanation:

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