mariana880
mariana880
16-12-2020
Mathematics
contestada
Solve for a 1/2 a-9=11
Respuesta :
cril7725
cril7725
16-12-2020
Answer:
a=31
Step-by-step explanation:
1/2(a-9)=11
a-9=22
a=22+9
a=31
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