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2x+5=14,8+x-3
2x-x=-5+14,8-3
x=6,8
b) ¼x - ( 4 + ½x ) = -2
0,25x-4-0,5x=-2
0,25x-0,5x=4-2
-0,25x=2/:(-0,25)
x=-8
c) 2 ( 3 - x ) - 4 ( x - 5 ) = 2x + 2
6-2x-4x+20=2x+2
-2x-4x-2x=-6-20+2
-8x=-24/:(-8)
x=3
d) 1/3*(-6x+9)-4=-5x-5
-6/3x+9/3-4=-5x-5
-2x+5x=-3+4-5
3x=-4/:3
x=-1 i 1/3
e) 0,2 × (10 - 5x ) = 3 + 2 ( x -1 )
2-x=3+2x-2
-x-2x=-2+3-2
-3x=-1/:(-3)
x=1/3
f) 37 = ( 20 - 4x ) × 0,5 - 7x
37=10-2x-7x
2x+7x=-37+10
9x=-27/:9
x=-3