Question

Решить уравнение:(10?+2*(7?-2)):5=(5*(4?+3)+3?):5

Answer 1

(10x+2*(7x-2)):5=(5*(4x+3)+3x):5

(24x-4):5-(5*(4x+3)+3x):5=0

4.8x-0.8-(20x+15+3x):5=0

4.8x-0.8-(4.6x+3)=0

4.8x-0.8-4.6x-3=0

0.2x-0.8-3=0

0.2x-3.8=0

x=3.8/0.2

x=19