Rozwiąż równania. a)-2x+4=5x+25 b)7y-8=-y+24 c)-8z+5=-z-1 d)-2m+7=m-6 e)6-5x=2x-7 f)-5t+1=8-6t

Rozwiąż równania. a)-2x+4=5x+25 -2x-5x=25-4 -7x=21/:(-7) x=-3 b)7y-8=-y+24 7y+y=24+8 8y=32/:8 y=4 c)-8z+5=-z-1 -8z+z=-1-5 -7z=-6/:(-7) z=6\over7 d)-2m+7=m-6 -2m-m=-6-7 -3m=-13/:(-3) m=41\over3 e)6-5x=2x-7 -5x-2x=-7-6 -7x=-13/:(-7) x=16\over7 f)-5t+1=8-6t -5t+6t=8-1 t=7

a)-2x+4=5x+25 -2x-5x=25-4 -7x=21/:(-7) x=-3 b)7y-8=-y+24 7y+y=24+8 8y=32/:8 f)-5t+1=8-6t -5t+6t=8-1 t=7

a)-2x+4=5x+25 -7x=21 x=13 b)7y-8=-y+24 8y=32 y=4 c)-8z+5=-z-1 -7z=-6 z=6/7 d)-2m+7=m-6 -3m=-11 m=11/3 e)6-5x=2x-7 -7x=-13 x=13/7 f)-5t+1=8-6t t=7