Respuesta:
x+5=-10
×=-10-5
x=-15
m-10=-2
m=10+-2
m=8
a+9=3
a=9-3
a=6
y-7=10
Y=10+7
y=17
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Respuesta:
x+5=-10
×=-10-5
x=-15
m-10=-2
m=10+-2
m=8
a+9=3
a=9-3
a=6
y-7=10
Y=10+7
y=17