elimination method 2x-y=-2

solve by elimination method: 2x-y= -2

                                                      x+y=5
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1 Answer

eqns; 2x - y = 2................(i)

          x + y = 5 ................(ii)

take eqn (i) + eqn (ii)

3x = 7

x = 7/3

multiply eaqn (ii) by 2

2x + 2y = 10 ......................(a)

 takwe eqn (i) - eqn (a)

-3y = -8

y = 8/3

by Level 3 User (4.0k points)

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