X-1 - 2x =X+3 ---- -----. ------ 2. 3. 5
X-2x-x=3+1 -2x=4 x=4:(-2) x=-2
x-1/2-2x/3=x+3/5
15(x-1)-10(2x)=6(x+3)
15x-15-20x=6x+18
-5x-6x=18+15
-11x=33
x=-3