Question 630733
rewrite the following in the form y=mx+b
2x-y=4
3x+5y=9

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(a) 2x-y=4
   -y = -2x + 4    ---> Subtract 2x from both sides.
    y = 2x - 4     ---> Multiply both sides by -1 (Answer)  

(b) 3x+5y=9  
    5y = -3x + 9         ---> Subtract 3x from both sides.
    y = (-3/5)x + 9/5    ---> Divide both sides by 5. (Answer)