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Yuri [45]
3 years ago
14

Solve for x: 6x−20=4x

Mathematics
2 answers:
kondaur [170]3 years ago
8 0

Answer:

x = 10

Step-by-step explanation:

Given

6x - 20 = 4x ( subtract 4x from both sides )

2x - 20 = 0 ( add 20 to both sides )

2x = 20 ( divide both sides by 2 )

x = 10

CaHeK987 [17]3 years ago
6 0

Answer:

the answer is x=10

Step-by-step explanation:

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Which choice is equivalent to the expression below?
alekssr [168]

Answer: OPTION A

Step-by-step explanation:

We need to remember that Product of powers property, which states that:

(a^m)(a^n)=a^{(m+n)}

Let's check the options:

A. For 5^9*5^{\frac{9}{10}}*5^{\frac{6}{100}}*5^{\frac{9}{1000}} you can  apply the property mentioned before. Then:

5^{(9+\frac{9}{10}+\frac{6}{100}+\frac{9}{1000})=5^{9.969}

(It is the equivalent expression)

 B. Add the exponents:

 5^9*5^{(\frac{9}{10}+\frac{9}{10}+\frac{6}{1000})=5^{10.806}

(It is not the equivalent expression)

C. For 5^9*5^{\frac{96}{10}}*5^{\frac{9}{100}}} you can  apply the property mentioned before. Then:

 5^{(9+\frac{96}{10}+\frac{9}{100})=5^{18.69}

(It is not the equivalent expression)

D. We know that 5^{9.969}=9,290,347.808 and we maje the addition indicated in this option, we get:

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(It is not the equivalent expression)

6 0
3 years ago
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BabaBlast [244]

Answer:

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Step-by-step explanation:

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6x = -42            divide by 6 so you can find what x equals

x= -7

4 0
3 years ago
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Fantom [35]

Answer:

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Step-by-step explanation:

Old homework answers.

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