pliss pomocy daje naj
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Odpowiedź:
d) 1-4x-5-5x+2=6x-6-8x-3
-9x-2= -2x-9
-7x=-7
x=1
e) -3x+2+x=2x+6+2x+2
-2x+2=4x+8
-6x=6
x=-1
f) 4x+7+5x=6x+12+2x
9x+7= 8x+12
x=5
g) 1-2x-12-7x=3x+10-5x
-11-9x=-2x+10
-7x=21/*(-1)
x=-3