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Maysaaa
Maysaaa Maysaaa
  • 24-01-2016
  • Mathematics
Answered

-7 = -1 + x/3, solve and explain with an algebraic property

Verified Answer :

Willchemistry
Willchemistry Willchemistry
  • 24-01-2016

\(-7 = -1 + \frac{x}{3}\)

Multiply both sides by 3 :

\(-3*1 + 3* \frac{x}{3} = -3*7\)

Refine:

\(x - 3 = -21\)

\(x = - 21 + 3\)

\(x = - 18\)

hope this helps!.

Answer Link
Billymkhoi
Billymkhoi Billymkhoi
  • 25-01-2016

-7= -1+ x/3
⇒ -1+ x/3= -7 (switch side)
⇒ x/3= -7+ 1
⇒ x/3= -6
⇒ x= -6* 3
⇒ x= -18

Final answer: x= -18~

Answer Link

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