" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x=2
b)3x=9/:3
x=3
c)2x=-6/:2
x=-3
d)-2x=3/:(-2)
x=-1,5
e)x=-1
f)-t=5/:(-1)
t=-5
g)x=10
h)0=-9
i)-5x=20/:(-5)
x=-4
-3x-2x=-10
-5x=-10 /:(-5)
x= 10/5
x= 2
b) 2x-2=7-x
2x+x=2+7
3x=9 /:3
x=3
c) 10=4-2x
2x=4-10
2x=-6 /:2
x=-6/2
x=-3
d) -(2x-1)=4
-2x+1=4
-2x=4-1
-2x=3/:(-2)
x=-3/2
x=-1 1/2
e) 2(x+1)=x
2x+2=x
2x-x=-2
x=-2
f) 2t-(3t+1)=6
2t-3t-1=6
2t-3t=6+1
-t=5
t=-5
g) -(4+x)=2(3-x)
-4-x=6-2x
-x+2x=6+4
x=10
h) 3(y+6)-y=2(y+9)
3y+18-y=2y+18
3y-y-2y=18-18
0=0
i) (x-7)-2(3x+5)=3
(x-7)-6x-10=3
x+7-6x-10=3
x-6x=3+10-7
-5x=6 /:(-5)
x=-6/5
x=-1 1/5