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Use substitution to solve each system of equations
Y=2x-2
Y=x+2

Sagot :

Panoyinidn
y = 2x - 2 ⇒ 2x - y = 2  ⇒ 2x - y = 2
y = x + 2  ⇒ x - y = -2   ⇒ 2x - 2y = -4
                                                 3y = 6 
                                                  3     3
                                                   y = 2
                                            2x - 6 = 2
                                                  +6   +6
                                                 2x = 8
                                                  2     2
                                                   x = 4
                                             (x, y) = (4, 2)

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