X+(x-1)+1,52x+(1,52x+1)=12,6

Question

X+(x-1)+1,52x+(1,52x+1)=12,6

Answer 1

X + x - 1 + 1,52x + 1,52x + 1 = 12,6
x + x + 1,52x + 1,52x = 12,6 + 1 - 1
5,04x = 12.6 | : 5,04
x = 2,5

Ответ: 2,5

Comments

спасибо