Seudónimo
Seudónimo
24-02-2015
Mathematics
contestada
2 3/4a=19 1/4
How do I find equation
Respuesta :
apologiabiology
apologiabiology
24-02-2015
so first convert 2 3/4 to improper fraction
2 3/4=8/4+3/4=11/4
11/4a=19 1/4
convert 19 1/4 to improper
19 1/4=76/4+1/4=77/4
11/4a=77/4
multiply both sdie sby 4
11a=77
divide by 11
a=7
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