# SOLUTION: Someone please help me, I am completely clueless about linear equations. 1. Solve the system of linear equations by graphing: x+2y=5, x-y=2 A. (1,3) B. (3,1) C. (7,5) D. (

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations -> SOLUTION: Someone please help me, I am completely clueless about linear equations. 1. Solve the system of linear equations by graphing: x+2y=5, x-y=2 A. (1,3) B. (3,1) C. (7,5) D. (      Log On

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 Question 232024: Someone please help me, I am completely clueless about linear equations. 1. Solve the system of linear equations by graphing: x+2y=5, x-y=2 A. (1,3) B. (3,1) C. (7,5) D. (5,7) 2. Solve the system of linear equations by graphing: 4x-y=6, 3x+y=1 A. (-2,1) B. (1,-2) C. (5,14) D. (2,2) 3. Solve the system of equations by graphing: y=x^2-4, y=x-2 A. (2,0) and (-1,-3) B. (2,0) and (1,-3) C. (3,5) and (-1,-3) D. (3,5) and (1,-3) Thank you so much for all your help!!!!!!Answer by rfer(12660)   (Show Source): You can put this solution on YOUR website!we will solve number one by substitution x-y=2, same as x=y+2 x+2y=5 substitute the first equation into the second y+2+2y=5 subtract 2 3y=3 y=1 ------------------------------- work the first equation using y=1 x-1=2 add 1 x=3 ordered pair (3,1)point of intersection of the two equations ------------------------ use y=mx+b for the other points example x+2y=5 2y=-x+5 y=-1/2+5/2 m=slope b=y int Give the others a try. Bob