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what is the best approximation of the solution to the system, to the nearest integer values?
2x-3y=-12 x+y=1 please helpo thanks anyone

Sagot :

Panoyinidn
2x - 3y = -12 ⇒ 2x - 3y = -12⇒ 2x - 3y = -12
  x +  y =    1 ⇒ 2(x + y) =    1⇒ 2x + 2y =    1
                                                           y  = -11
                                                  2x - 3y = -12
                                                  2x - 3(-11) = -12
                                                  2x + 33 = -12
                                                       - 33     - 33
                                                           2x = -45
                                                           2x = -45
                                                           2        2
                                                            x  =  -22.5
                                                       (x, y) = (-22.5 , -11)
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