khy1
khy1
18-08-2015
Mathematics
contestada
what is the answer to this problem
8x-2=-9+7×
Respuesta :
Аноним
Аноним
18-08-2015
8x−2=−9+7x
Simplify:
8x−2=−9+7x
8x+−2=−9+7x
8x−2=7x−9
Subtract 7x from both sides.
8x−2−7x=7x−9−7x
x−2=−9
Add 2 to both sides.
x−2+2=−9+2
x=−7
Answer Link
xxlydia777
xxlydia777
18-08-2015
you want like terms on the same side. so you want x on the same side
subtract 7x from 8 x = x
add 2-9 = -7
now you have x= -7
Answer Link
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