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deff fn [24]
3 years ago
6

−15x−40=23−8x What does x =

Mathematics
2 answers:
Dima020 [189]3 years ago
8 0

Answer:

x = -9

Step-by-step explanation:

-15x - 40 = 23 - 8x  

Add 8x to both sides

-15x + 8x - 40 = 23

          -7x - 40 = 23

Add 40 to both sides

                - 7x = 23 + 40

                  -7x = 63

 Divide both sides by (-7)

            x = 63/-7

x = -9

Nastasia [14]3 years ago
6 0

Answer:

x = -9

Step-by-step explanation:

-15x - 40 = 23 - 8x

<em>add 8x to both sides to bring -8x to the left side</em>

-15x + 8x - 40 = 23

<em>add 40 to both sides to bring -40 to the right side</em>

-15x + 8x = 23 + 40

<em>add the common terms</em>

-7x = 63

<em>for x to be alone divide -7 to both sides</em>

x = -9

<em>I hope this helped!</em>

<em />

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