Question

решите уравнение х-7/12=3/4;х-1/6=1/9;х-3/5=3/8

Answer 1

x=3/4+7/12
×=3×3/3×4+7/12
x=9/12+7/12
x=3/4;
x=2×1/2×9+3×1/3×6
x=2+3/18
x=5/18;
x=5×3/5×8+8×3/8×5
x=15+24/40
x=39/40