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b)-2(7-2y) = -14+4y
c) (2a-b) (-5) = -10a+5b
d) 0.5(4a+1) = 2a+0,5
e) - ⅔ (6y-9) = -4y+6
f)-0.2(-b-1) = 0,2b+0,2
g) - (4x+3a+b-0.7) -4x-3a-b+0,7
i) -(- ½t-z-6) = ½t+z+6
b)-2(7-2y) = - 14 + 4y
c) (2a-b) x (-5) = -10a * 5b
d) 0.5(4a+1) = 2a + 0,5
e) - dwie trzecie (6y-9) = -4y + 6
f)-0.2(-b-1) = 0,2b + 0,2
g) - (4x+3a+b-0.7) = -4x-3a-b+0.7
i) -(- jedna druga t-z-6) = jedna druga t+z+6
b)-2(7-2y)=-14+4y
c) (2a-b) x (-5)=-10a * 5b
d) 0.5(4a+1)=2a+0,5
e) - dwie trzecie (6y-9)=-4y+6
f)-0.2(-b-1)=0,2b+0,2
g) - (4x+3a+b-0.7)=-4x-3a-b+0,7
i) -(- jedna druga t-z-6)=½t+z+6
pozdr