a) -7(2x+1) = 4
b) 8=6(x-1)-4x
c) 2(1-x)=6(2x-2)
-14x-7=4
14x=-11 /:14
x=-11/14
8=6x-6-4x
14=2x /:2
x=7
2-2x=12x-12
14x=14 /:14
x=1
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) -7(2x+1) = 4
-14x-7=4
14x=-11 /:14
x=-11/14
b) 8=6(x-1)-4x
8=6x-6-4x
14=2x /:2
x=7
c) 2(1-x)=6(2x-2)
2-2x=12x-12
14x=14 /:14
x=1