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Daniel Math Academy · Grade 8 Math

Systems of Equations Review

Skill U.7 · Systems of equations · ★★☆ Medium

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Solve each system, or write how many solutions it has.

1. 1
   $\{\begin{array}{l}2x-12y=48\\ 5x+4y=-16\end{array}$
2. 2
   $\{\begin{array}{l}4x-4y=-16\\ 5x+2y=-13\end{array}$
3. 3
   $\{\begin{array}{l}3x-y=-25\\ 5x+2y=-16\end{array}$
4. 4
   $\{\begin{array}{l}4x-5y=18\\ 8x-5y=46\end{array}$
5. 5
   $\{\begin{array}{l}5x-5y=-45\\ x+5y=27\end{array}$
6. 6
   $\{\begin{array}{l}5x-4y=20\\ x-8y=-32\end{array}$
7. 7
   $\{\begin{array}{l}3x+y=-18\\ 3x-4y=-33\end{array}$
8. 8
   $\{\begin{array}{l}3x+12y=24\\ 5x+4y=40\end{array}$

Daniel Math Academy · Grade 8 Math

Answer Key

U.7 Systems of Equations Review · ★★☆ Medium

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