2z + x =15 ,2z + 3x = 9
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Answered by
3
Step-by-step explanation:
2z + x = 15 ---------(1)
2z + 3x = 9 ---------(2)
-2x = 6
2x = -6
x = -3
equation (1) Se
2z - 3 = 15
2z = 18
z = 9
Answered by
0
Answer:
x=-3 z=9
Step-by-step explanation:
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