RESOLVER: 3(X-4) = 21 =(((((((((((((((((((((((((((((((((((((((((((((((((((((((((( UwU
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Respuesta:
11
Explicación paso a paso:
3(X-4) = 21
x - 4 = 7
x = 11
Verified answer
3x-12=21
3x=21+12
3x=33
x=33/3
x=11