prosze obliczcie
a) 2(x-3)+3(4-x)=5
b)2(x+4)-5(x+3)=2
c)3(x-4)-2(2x-5)=4
d)-2(x+3)+4(2x+3)=-6
e)(x+4)-(3-2x)=(3x+4)-(6+x)
f)-(3-x)+(2x+2)=-(1-2x)+(2x-15) PLIS ZRÓBCIE DOBRZE
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a) 2x+6+12-3x=5 -x+18=5 -x=5-18 -x=-13 x=13
b) 2x+8-5x-15=2 -3x-7=2 -3x=7+2 x=-3
c)3x-12-4x+10=4 -x-2=4 -x=4+2 x=-6
d)-2x-6+8x+12=-6 6x+6=-6 6x=0 x=1
e)x+4-3-2x=3x+4-6+x -x-1=4x-2 -x-4x=-2+1 -5x=-1 x=0,2
f)3+x+2x+2=1+2x+2x-15 3x+5=4x-14 3x-4x=-14-5 -7x=-19 x=7/19