b)2x-3/4=1/2+x 2x-x=1/2+3/4 x=5/4 c)x+2/9+x-1/3=1 2x=1-2/9+1/3 2x=9/9-2/9+3/9 2x=10/9 x=5/9 d)2x+3/5=2-x/3+x 2x+x/3-x=-3/5+2 4x/3=7/5 4x=21/5 x=21/20 e)3x-5/2-5x-1/10=0 -2x=5/2+1/10 -2x=25/10+1/10 -2x=26/10 2x=-26/10 x=-26/20 x=-1,3 f)x/2=2/5(4-x)-4 x/2=8/5-2/5x-4 x/2+2/5x=8/5-4 5x/10+4x/10=8/5-20/5 9x/10=-14/5 9x=-140/5 9x=-28 x=-28/9 g)2x-1/5-x-2/2=0,7x 2x-x-0,7x=1/5+1 0,3x=6/5 3/10x=6/5 3x=60/5 x=60/15 x=4 h)2x-3x+5/4=-1/4x-1 2x-3x+1/4x=-5/4+1 -3x/4=-1/4 -3x=-1 x=1/3
b)2x-3/4=1/2+x x=1/2+3/4 x=5/4 c)x+2/9+x-1/3=1 2x=1-2/9+1/3 2x=10/9 x=5/9 d)2x+3/5=2-x/3+x 2x+1/3x-x=2-3/5 4/3x=7/5 x=21/20 e)3x-5/2-5x-1/10=0 -2x=26/10 x=-13/10 f)x/2=2/5(4-x)-4 1/2x=8/5-2/5x-4 1/2x+2/5x=8/5-4 9/10x=-12/5 x=-8/3 g)2x-1/5-x-2/2=0,7x x-0,7x=6/5 3/10x=6/5 x=4 h)2x-3x+5/4=-1/4x-1 -x+1/4x=-1-5/4 -3/4x=-9/4 x=3
b. 2x-3/4=1/2+x 2x-x=3/4+1/2 x=1/4+2/4 x=3/4 c.x+2/9+x-1/3=1 x+x=-2/9+1/3+1 2x=10/9:2x x=5/9 e.3x-5/2-5x-1/10=0 3x-5x=5/2+1/10 -2x=25/10+1/10 -2x=26/10:(-2) x=-13/10 g.2x-1/5-x-2/2=0,7x 2x-x-0,7x=1/5+1 -0,3x=6/5:(-0,3) x=-4 h. 2x-3x+5/4=-1/4x-1 2x-3x+1/4x=-5/4-1 -x+1/4x=-9/4 -3/4x=-9/4:(-3/4) x=3