Respuesta:
a) x-4=3
x-4+4=3+4
x=7
b) -2+x=4
-2+x+2 = 4+2
x=6
c) x-7=-2
x-7+7=-2+7
x=5
d) x-3=-8
x-3+3=-8+3
x=-5
Explicación paso a paso:
:)
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Verified answer
Respuesta:
a) x-4=3
x-4+4=3+4
x=7
b) -2+x=4
-2+x+2 = 4+2
x=6
c) x-7=-2
x-7+7=-2+7
x=5
d) x-3=-8
x-3+3=-8+3
x=-5
Explicación paso a paso:
:)