Respuesta:
21+x=26
x=26-22
x=4
---------------------------------------------
12+2x=16
2x=16-12
2x=4
x=[tex]\frac{4}{2}[/tex]
x=2
<3 ahí esta
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Respuesta:
21+x=26
x=26-22
x=4
---------------------------------------------
12+2x=16
2x=16-12
2x=4
x=[tex]\frac{4}{2}[/tex]
x=2
<3 ahí esta