awisner51
awisner51
11-11-2021
Mathematics
contestada
8x+9y=60 2x-9y=-30 elimation method
Respuesta :
ranwei12345
ranwei12345
11-11-2021
Answer:
x=3 y=4
Step-by-step explanation:
8x+9y=60 + 2x-9y=-30
10x=30
x=3
y=4
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