SOLUTION: Can you help me with this proof? Given: 3/10x-2/5=>1/2x+7/5 Prove: -9=>x

SOLUTION: Can you help me with this proof? Given: 3/10x-2/5=>1/2x+7/5 Prove: -9=>x

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Question 994530: Can you help me with this proof?
Given: 3/10x-2/5=>1/2x+7/5
Prove: -9=>x
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
.
3/10x-2/5=>1/2x+7/5 ... Subtract (3/10)x from each side.
-2/5=>(2/10)x+7/5 ... Subtract 7/5 from each side.
-9/5=>(1/5)x .. Multiply each side by 5.
-9=>x
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