zapisz w jak najprostrzej postaci :
a) 2x - (-4 - 3x ) =
b) 10 - 2(t+1) =
c) -3 (2y +1/3 )+4y =
d) -6(1 - 0,5u) + 3u/2 =
e)2(3w - 1 ) - w+2/2 =
f)3(a - 2b) - 5 (b - 2a ) =
pomozecie prosze tylko żeby było tobrze i prosze nie kopiować
OK
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a) 2x-(-4-3x)= 2x+4+3x=5x+4
b) 10-2(t+1)=10-2t+2=12-2t
c) -3 (2y +1/3 )+4y =-6y-1+4y=-2y-1
d) -6(1 - 0,5u) + 3u/2 =6+3u+3u/2=6+4,5u
e) 2(3w - 1 ) - w+2/2 =6w-2-w+1=5w-1
f)3(a - 2b) - 5 (b - 2a )=3a-6b-5b+10a=13a-11b