Rozwiąż z obliczeniami :
a) 2(16x+1)=7(5x+4)
b)8(18-5x)=12(5-x)
KONIECZNE OBLICZENIA
Prosze o odp do środy
a) 2(16x+1)=7(5x+4)32x + 2 = 35x + 2832x - 35x = 28 - 2-3x = 26/:(-3)x = -8 i 2/3b)8(18-5x)=12(5-x)144 - 40x = 60 - 12x-40x + 12x = -144 + 60-28x = -84/:(-28)x = 3
a)
32x + 2 = 35x + 28
32x - 35x = 28 - 2
-3x = 26 / -3
x = -26/3
x = -8 i 2/3
b)
144 - 40x = 60 - 12x
-40x + 12x = 60 - 144
-28x = -84 / -28
x = 21/7
x = 3
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a)
2(16x+1)=7(5x+4)
32x + 2 = 35x + 28
32x - 35x = 28 - 2
-3x = 26/:(-3)
x = -8 i 2/3
b)
8(18-5x)=12(5-x)
144 - 40x = 60 - 12x
-40x + 12x = -144 + 60
-28x = -84/:(-28)
x = 3
a)
32x + 2 = 35x + 28
32x - 35x = 28 - 2
-3x = 26 / -3
x = -26/3
x = -8 i 2/3
b)
144 - 40x = 60 - 12x
-40x + 12x = 60 - 144
-28x = -84 / -28
x = 21/7
x = 3