Respuesta:
2x+4=-3
2x=-3-4
2x=-7
x=-7/2
x= -3.5
-6y-6=24
-6y=24+6
-6y=30
y=30/-6
y= -5
12=5b-3
3+12=5b
15=5b
15/5=b
3=b
z+1=13
z=13-1
z=12
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Respuesta:
2x+4=-3
2x=-3-4
2x=-7
x=-7/2
x= -3.5
-6y-6=24
-6y=24+6
-6y=30
y=30/-6
y= -5
12=5b-3
3+12=5b
15=5b
15/5=b
3=b
z+1=13
z=13-1
z=12