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3x + 15 - 2x + 1 = 16
x + 16 = 16
x = 16 - 16
x = 0
Solución :
x = 0
VERIFICAMOS :
3 (x + 5) - 2x + 1 = 48/3
3 (0 + 5) - 2 (0) + 1 = 48/3
0 + 15 + 0 + 1 = 16
16 = 16
La solución es correcta.
3(x+5)-2x+1=48/3
3x+15-2x+1=16
acomodamos términos semejantes:
3x-2x=16-15-1
x=0
comprobamos:
3x+15-2x+1=16
3(0)+15-2(0)+1=16
15+1=16
16=16
Saludos cordiales, espero haberte ayudado!