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3 years ago

Solve for x if 25^x+2=125^3x+4

Mathematics

2 answers:

bogdanovich [222]3 years ago

6 0

This one was pretty tough but Math way helped, you should try it out, it explains the problems so you can learn it. I got x = 0, 5

igomit [66]3 years ago

4 0

What you want to do is write the numbers with similar bases, and then you can cross the bases off. Like this:

25^x+2=125^3x+4
5^2(x+2)=5^3(3x+4)
Now you can cross the similar bases off.
2(x+2)=3(3x+4)
2x+4=9x+12
7x=-8
X=-8/7

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3 years ago

Read 2 more answers

Four more than the quotient of a number and 3 is 9

barxatty [35]

The algebraic expression of "Four more than the quotient of a number and 3 is 9" is $\frac{x}{3}+4=9$

The value of x=15

Step-by-step explanation:

We need to express "Four more than the quotient of a number and 3 is 9" as algebraic expression.

Let the number = x

Solving:

quotient of a number and 3: $\frac{x}{3}$

Four more than the quotient of a number and 3: $\frac{x}{3}+4$

Four more than the quotient of a number and 3 is 9: $\frac{x}{3}+4=9$

Now, finding value of x:

$\frac{x}{3}+4=9\\Adding\,\,-4\,\,on\,\,both\,\,sides:\\\frac{x}{3}+4-4=9-4\\\frac{x}{3}=5\\Multiply\,\,both\,\,sides\,\,by\,\,3:\\x=5*3\\x=15$

So, value of x = 15

Keywords: Algebraic expression

Learn more about algebraic expression at:

#learnwithBrainly

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2 years ago

Substitute this equation y=-2x-12 if y=-8

lozanna [386]

Answer:

x=-2

Step-by-step explanation:

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3 years ago

A group of 5 children and 5 adults are going to the zoo. Child tickets cost $6, and adult tickets cost $8. How much will the zoo

Lady_Fox [76]

$(5 \ children \ * \$5)+(5 \ adults \ * \$8) = 5*5+5*8 = \$65$

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2 years ago

Read 2 more answers