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Daniel Math Academy · Grade 8 Math

Solve Systems by Elimination

Skill U.4 · Systems of equations · ★★☆ Medium

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Solve each system by elimination.

1. 1
   $\{\begin{array}{l}2x+y=19\\ 2x-4y=-16\end{array}$
2. 2
   $\{\begin{array}{l}5x-3y=6\\ 4x-3y=0\end{array}$
3. 3
   $\{\begin{array}{l}5x+4y=1\\ 12x+4y=8\end{array}$
4. 4
   $\{\begin{array}{l}10x-2y=-6\\ 5x+2y=-9\end{array}$
5. 5
   $\{\begin{array}{l}x+3y=12\\ 16x-3y=-12\end{array}$
6. 6
   $\{\begin{array}{l}3x-3y=-21\\ 4x+3y=0\end{array}$
7. 7
   $\{\begin{array}{l}4x+5y=8\\ 3x-5y=6\end{array}$
8. 8
   $\{\begin{array}{l}3x-5y=-8\\ 4x-5y=-14\end{array}$

Daniel Math Academy · Grade 8 Math

Answer Key

U.4 Solve Systems by Elimination · ★★☆ Medium

1. 1$(6,7)$
2. 2$(6,8)$
3. 3$(1,-1)$
4. 4$(-1,-2)$
5. 5$(0,4)$
6. 6$(-3,4)$
7. 7$(2,0)$
8. 8$(-6,-2)$