Rozwiąż równania : a) -4x + 3 = 11 b) 5y - 3 = -18 c) 9 - 2x = 10 d) 6 + 2y = -5 + 3y

a) -4x + 3 = 11 -4x=8 / " -4 x= -2 b) 5y - 3 = -18 5y= -15 / : 5 y=-3 c) 9 - 2x = 10 2x=1 x=0,5 d) 6 + 2y = -5 + 3y y=11

a) -4x + 3 = 11 -4x + 3 = 11 -4x = 11- 3 -4x = 8 /:(-4) x = -2 b) 5y - 3 = -18 5y - 3 = -18 5y = -18 + 3 5y = -15 /:5 y = -3 c) 9 - 2x = 10 - 2x = 10 - 9 - 2x = 1 /:(-2) x = - ½ d) 6 + 2y = -5 + 3y 6 + 2y = -5 + 3y 6 + 5 = 3y - 2y 11 = y y = 11

a) -4x=11-3 -4x=8/:(-4) x =2 b)5y-3=-18 5y=-18+3 5y=-15/:5 y=-3 c)9-2x=10 -2x=10-9 -2x=1/:(-2) x=0,5 d)6+2y=-5+3y 2y-3y=-5-6 -y=-11/:(-1) y=11