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SweetBriar
SweetBriar SweetBriar
  • 19-04-2016
  • Mathematics
Answered

What is the value of x in the equation −x = 4 − 3x + 6?

A5
B10
C−5
D−10

Verified Answer :

Willchemistry
Willchemistry Willchemistry
  • 19-04-2016

\(-x = 4-3x+6\)

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!

Answer Link
Exvited
Exvited Exvited
  • 19-04-2016

\(-x = 4 - 3x + 6 \\ \\ -x = -3x + 10 \\ \\ -x + 3x = 10 \\ \\ 2x = 10 \\ \\ x = \frac{10}{2} \\ \\ x = 5 \\ \\\)

The answer is: x = 5.

Answer Link

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