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cluponka [151]
3 years ago
11

How to solve 3+5x=20+7x

Mathematics
2 answers:
Karo-lina-s [1.5K]3 years ago
4 0

3 + 5x = 20 + 7x

First subtract 20 to both sides

-17 + 5x = 7x

Next subtract 5x to both sides (we are trying to get x all in one side)

-17 = 2x

Divide 2 to isolate the x

-17/2 = x or -8.5 = x

borishaifa [10]3 years ago
3 0
First, you would combine like terms so you would - 5x from both sides and you should end up with 3=20+2x and then you would - 20 from both sides which would lead you with -17 = 2x and then you divide both sides by 2 and the answer should be...

8.5=x
tell me if i’m right!! i am only in 7th grade
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After 3/4 of a minute a sloth has moved just 3/8 of a foot. what is the sloth's speed in feet per minute
Delicious77 [7]
Hello! 

So 4/4 - 3/4 = 1/4 (a quarter). So we have to find a quarter of 3/8 and add it to 3/8. First of all, we have to convert 1/4 to a percentage. The answer is 25%. 3/8 as a decimal is 0.375. 25% of 0.375 = (0.25 x 0.375 =) 0.09375. 
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3 0
3 years ago
What are the solutions to the equation y² –1 = 24? <br><br>Choose all answers that are correct.
noname [10]
Sadly, you didn't give me any choices to choose from.

y² - 1 = 24

Add 1 to each side :

y² = 25

y = √25

<u>y = +5</u>
and
<u>y = -5</u>
5 0
3 years ago
Read 2 more answers
What is the value of x?
Akimi4 [234]
(2x + 2) = (3x + -52)

Reorder the terms:
(2 + 2x) = (3x + -52)

Remove parenthesis around (2 + 2x)
2 + 2x = (3x + -52)

Reorder the terms:
2 + 2x = (-52 + 3x)

Remove parenthesis around (-52 + 3x)
2 + 2x = -52 + 3x

Solving
2 + 2x = -52 + 3x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-3x' to each side of the equation.
2 + 2x + -3x = -52 + 3x + -3x

Combine like terms: 2x + -3x = -1x
2 + -1x = -52 + 3x + -3x

Combine like terms: 3x + -3x = 0
2 + -1x = -52 + 0
2 + -1x = -52

Add '-2' to each side of the equation.
2 + -2 + -1x = -52 + -2

Combine like terms: 2 + -2 = 0
0 + -1x = -52 + -2
-1x = -52 + -2

Combine like terms: -52 + -2 = -54
-1x = -54

Divide each side by '-1'.
x = 54

Simplifying
x = 54
4 0
3 years ago
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