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Exponents IXL
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ixl.com/math/grade-8/which-x-satisfies-an-equation
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Eighth grade > M. 1 Which 
x satisfies an equation? BVQ
What value of 
z is a solution to this equation?

{:[7z=63],[z=7quad z=9]:}
Submit
Work it out
Not feeling ready yet? These
Evaluate linear expressions
Does :

Exponents IXL\newlineNy Apps\newlineixl.com/math/grade8-8/which-xx satisfies an equation\newlinegreenvilleschools.us bookmarks\newlineMy Apps\newlineHome\newline50,000+50,000+ Chess Pro...\newline(GCS) GTT88 Autom...\newlineMy IXL\newlineLearning\newlineEighth grade > M. 11 Which \newlinexx satisfies an equation? BVQ\newlineWhat value of \newlinezz is a solution to this equation?\newline\begin{array}{l} 7z=63\ z=7\quad z=9 \end{array}\newlineSubmit\newlineWork it out\newlineNot feeling ready yet? These\newlineEvaluate linear expressions\newlineDoes :

Full solution

Q. Exponents IXL\newlineNy Apps\newlineixl.com/math/grade8-8/which-xx satisfies an equation\newlinegreenvilleschools.us bookmarks\newlineMy Apps\newlineHome\newline50,000+50,000+ Chess Pro...\newline(GCS) GTT88 Autom...\newlineMy IXL\newlineLearning\newlineEighth grade > M. 11 Which \newlinexx satisfies an equation? BVQ\newlineWhat value of \newlinezz is a solution to this equation?\newline\begin{array}{l} 7z=63\ z=7\quad z=9 \end{array}\newlineSubmit\newlineWork it out\newlineNot feeling ready yet? These\newlineEvaluate linear expressions\newlineDoes :
  1. Divide by 77: Divide both sides of the equation by 77 to isolate zz.7z7=637\frac{7z}{7} = \frac{63}{7}
  2. Calculate division: Calculate the division on both sides. z=9z = 9

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