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  1. Home
  2. 12th grade
  3. Algebra I
  4. Exercise : Solve a system of equation using substitution

Solve a system of equation using substitution Algebra I

Solve the following systems using the substitution method.

\begin{cases} 2x-y=4 \cr \cr 4x+2y=3 \end{cases}

\begin{cases} x-y=2 \cr \cr x+2y=8 \end{cases}

\begin{cases} x-y=5 \cr \cr 3x+y=7 \end{cases}

\begin{cases} 3x-y=1 \cr \cr x+2y=12 \end{cases}

\begin{cases} x-y=3 \cr \cr x+y=-1 \end{cases}

\begin{cases} 5x-2y=3 \cr \cr 2x+y=3 \end{cases}

\begin{cases} 9x-3y=12 \cr \cr 2x+y=6 \end{cases}

See also
  • Course : System of linear equations
  • Exercise : Convert a word problem into a system of linear equations
  • Exercise : Solve a system of equation using elimination
  • Exercise : Convert a system of equations into a triangular system
  • Exercise : Solve a system of equation using the Gaussian elimination
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