Question

0.8(x+6)=0.16(x+4) задать вопрос

Answer 1

0.8(x+6) = 0.16(x+4) | / 0.8
x +6 = 2 * (x+4)
x +6 = 2x + 8
x - 2x = 8 - 6
-x = 2
x = -2