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Stells [14]
3 years ago
7

-85 - 8x =2x + 115 anyone know how to do this??

Mathematics
2 answers:
taurus [48]3 years ago
8 0
-85 - 8x = 2x + 115
-85 + 85 - 8x = 2x + 115 + 85
-8x = 2x + 200
-8x - 2x = 2x - 2x + 200
-10x = 200
-10x/-10 = 200/-10
X = -20
garik1379 [7]3 years ago
7 0

Answer: x= -20

Step-by-step explanation:

Add 85 85 to both sides.

-8x=2x+115+85−8x=2x+115+85

Simplify  2x+115+852x+115+85  to  2x+2002x+200.

-8x=2x+200−8x=2x+200

Subtract 2x2x from both sides.

-8x-2x=200−8x−2x=200

Simplify  -8x-2x−8x−2x  to  -10x−10x.

-10x=200−10x=200

Divide both sides by -10−10.

x=-\frac{200}{10}x=−

​10

​

​200

​​

Simplify  \frac{200}{10}

​10

​

​200

​​   to  20 20.

x= - 20

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