hallar el valor de la "X" y verificar la igualdad.
a) 3x + 4= 22
b) 5 (x + 2= 15
c) (2x + 4): 2 =5
a) 3x + 4= 22
b) 5 (x + 2= 15
c) (2x + 4): 2 =5
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Explicación paso a paso:
3xt4=22
3x=22-4
3x=18
x=18÷3
x=6