# SOLUTION: respected teacher, i have a big problem. we have not learned this yet in the class. the question is: find four values of(x,y)which satisfy each of the following equations. 1)2x

Algebra ->  -> SOLUTION: respected teacher, i have a big problem. we have not learned this yet in the class. the question is: find four values of(x,y)which satisfy each of the following equations. 1)2x      Log On

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 Click here to see ALL problems on Linear-systems Question 81885: respected teacher, i have a big problem. we have not learned this yet in the class. the question is: find four values of(x,y)which satisfy each of the following equations. 1)2x +y = 7 2)x - y = 3 3)x = -y 4)x = y 5)x + y = 11 6)y - 5 = x i didnt understand whether we have to take every single equation in consideration or only one at a time. i tried it by taking one in the consideration. and for the first one got the answer: 2x +y = 7 y = 7-2x so if we substitute x=3 then, y = 7-2*3 y = 7-6 y = 1 thus if x = 3,then y = 1 and likewise we can get other co-ordinates by substituting x ps:and if this way is correct for solving this question,dont solve the other sums.just tell me it is correct thanking you in anticipation, your student.Answer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!your technique is correct ... also your assumption of one equation at a time