Asked by shelbie
the problem is -9x+1=-80. At the end I cant figure out if it is a negative or positive?
Answers
Answered by
bobpursley
multipy both sides by -1
9x-1=80
add one to each side
9x=81
divide each side by 9
9x-1=80
add one to each side
9x=81
divide each side by 9
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