Open Question: algebra elimination equations help!!!!!!!!!!!!!!!!!!!!!!!!?

10:51 Publicado por Anónimo

2. 4x + y = -9
4x+ 2y = -10

4. -4m + 2n = 6
-4m + n = 8

8. s - t = 4
s + t = 2

10. -4x + 2y = 8
4x - 3y = -10

asap please show me how to them problems step by step


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