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Sonja [21]
3 years ago
12

What is the value of x in the equation −x = 4 − 3x + 6? A. 5 B. 10 C. −5 D. −10

Mathematics
2 answers:
Ann [662]3 years ago
8 0
-x = 4-3x+6

Refine 4-3x + 6

-3x = 4+6

-3x = 10

Add 3x  to both sides:

-x + 3x  = -3x + 10 + 3x

2x = 10

Divide both sides by 2 :

\frac{2x}{2} = \frac{10}{5}

x = 5

Answer a

hope this helps!
Vlada [557]3 years ago
4 0
-x = 4 - 3x + 6 \\ \\ -x = -3x + 10 \\ \\ -x + 3x = 10 \\ \\ 2x = 10 \\ \\ x =  \frac{10}{2} \\ \\ x = 5 \\ \\

The answer is: x = 5.
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