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noname [10]
3 years ago
14

−x+10=−5 Please help and include step by step.

Mathematics
2 answers:
Alex787 [66]3 years ago
4 0

Start by subtracting 10 from both sides to get -x alone.


-x + 10 = -5


-x + 10 - 10 = -5 -10


-x = -15


Now divide each side by 1 to get rid of the negative.


-x = -15


\frac{-x}{-1} = \frac{-15}{-1}


x = 15


This means that in the equation -x is 15.


If you want to check if that's correct just plugin 15 for -x into the equation.


-x + 10 = -5

↓

-15 + 10 = -5 ✓ correct



- Marlon Nunez

sergey [27]3 years ago
3 0

Step by Step:

Step 1.) Subract 10 from both sides.

Step 2.) Divide each side by one



answer: x=15

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3 years ago
What is the answer to 7(2e−1)−3=6+6e
ludmilkaskok [199]
<span>Simplifying
7(2e + -1) + -3 = 6 + 6e

Reorder the terms:
7(-1 + 2e) + -3 = 6 + 6e
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(-7 + 14e) + -3 = 6 + 6e

Reorder the terms:
-7 + -3 + 14e = 6 + 6e

Combine like terms: -7 + -3 = -10
-10 + 14e = 6 + 6e

Solving
-10 + 14e = 6 + 6e

Solving for variable 'e'.

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

Add '-6e' to each side of the equation.
-10 + 14e + -6e = 6 + 6e + -6e

Combine like terms: 14e + -6e = 8e
-10 + 8e = 6 + 6e + -6e

Combine like terms: 6e + -6e = 0
-10 + 8e = 6 + 0
-10 + 8e = 6

Add '10' to each side of the equation.
-10 + 10 + 8e = 6 + 10

Combine like terms: -10 + 10 = 0
0 + 8e = 6 + 10
8e = 6 + 10

Combine like terms: 6 + 10 = 16
8e = 16

Divide each side by '8'.
e = 2

Simplifying
<span>e=2
</span></span>
(sorry, i went into depth)
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7/8 = 0.875

That's bigger than 0.825 .
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