" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(x+5)*3-14=19
3x+15-14=19
3x=19-15+14
3x=18 // :3
x=6
B)
(2*y-6):4=15
1/2*y/4-1 1/2=15
y/8-1 1/2=15
y/8=15+1 1/2
y/8=16,5 // *8
y=132
C)
(z-3:8+4)*2-7=3
2z-3/4+8-7=3
2z=3+3/4-8+7
2z=2 3/4 // :2
z=11/4:2
z=11/4*1/2
z=11/8
z=1 3/8