SOLUTION: 4x+9=7 i know the answer is negative 1/2 but i just dont know how my teacher got that, and also z/80= 20/100
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Question 6695
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4x+9=7 i know the answer is negative 1/2 but i just dont know how my teacher got that, and also z/80= 20/100
Answer by
xcentaur(357)
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4x+9=7
4x=7-9
4x=-2
x=-2/4
x=-1/2
z/80= 20/100
z=(20/100)*80
z=(1/5)*80
z=16
Prabhat.
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