Уравнения!!!!!!!!!!!! x=2/3x+1 x-1/2=3/4x x-2/3=5/6x
X-2/3x=1 1/3x=1 x=1×3/1 x=3 ----- x-3/4x=1/2 1/4x=1/2 x=1/2×4/1 x=2 ------ x-5/6x=2/3 1/6x=2/3 x=2/3×6/1 x=4