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melomori [17]
3 years ago
8

7x - 3x = 24

Mathematics
2 answers:
Debora [2.8K]3 years ago
4 0
7x - 3x = 24
The 7x and the 3x are both like terms, so they can be combined. 7 - 3 is 4, so the equation turns into
4x = 24
Now, you want to get the x alone, so you divide both sides by 4 because it is the opposite of multiplication. 24 divided by 4 is 6, so
x = 6
sammy [17]3 years ago
3 0

Answer:

x=3

Step-by-step explanation:

7x-3x=24

subtract 7 and 3 you'll get 4x=24

4x=24

divide each side by 4

x=3

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HELPP!!!
aalyn [17]

Answer:

The value that will create an equation with no solutions is 5x.

Step-by-step explanation:

No solution would mean that there is no answer to the equation. It is impossible for the equation to be  true no matter what value we assign to the variable.

To create a no solution equation, we can need to create a mathematical statement that is always false.  To do this, we need the variables on both sides of the equation to cancel each other out and have the remaining  values to not be equal.

Use distributive property on the left side first.

3(x - 4) = [blank] - 2x +7\\\\3x-12=5x - 2x +7\\\\3x-12=3x+7\\\\3x-12+12=3x+7+12\\\\3x=3x+19\\\\3x-3x=3x+19-3x\\\\0=19

Notice that we combined like terms first and then eliminated the variable from one side. When that  happened, the variable on the other side was eliminated as well, giving us a false result.

Since zero does not equal nineteen, we know we have an equation with no solution.

3 0
3 years ago
- 10 + 2y - 4<br> please help
Alecsey [184]

Answer:

2y+6

Step-by-step explanation:

2 negatives equal a positive

3 0
3 years ago
What axis does the independent quantity go on?
Contact [7]
Horizontal
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5 0
3 years ago
What is 3 to the 5th power?
SashulF [63]
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8 0
3 years ago
Read 2 more answers
Rewrite the perimeter formula, P = 2/ + 2w, to solve for the length, I, and then
Vinvika [58]

P = 2l + 2w

Subtract both sides by 2w

P - 2w = 2l

Divide both sides by 2

(P - 2w) / 2 = l

In our problem,

w = 7 in

P = 42 in

Let's plug our values into the formula above.

(42 in - 2(7 in) / 2 = l

(42 in - 14 in) / 2 = l

28 / 2 = l

14 in = length

3 0
3 years ago
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