" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1x-2 trzecie =2
-2 i dwie trzecie =-1x
b).5(x/5-3)=315
x-15=315
x=300
c).x+3/2*8=x-3
x+12=x-3
9=0
d).4(2x-3/4)=53
8x-3=53
8x=50
x=6,25
e).2(x+7)=3(2x-5)
2x+14=6x-15
-1=4x
x=-1 czwarta
f).3(x-5)+7=x+1
3x-15+7=x+1
-9=-2x
x=4,5