Question

Решите уравнение 3 / 4|6х-3|+9,2=11
пж помогитее завтра соч по матем​

Answer 1

$displaystyle tt frac{3}{4}cdot|6x-3|+9,2=11\\ displaystyle tt frac{3}{4}cdot|6x-3|+frac{46}{5}=11::::::bigg|cdot20\\ displaystyle tt 15cdot|6x-3|+184=220\\ displaystyle tt 15cdot|6x-3|=220-184\\ displaystyle tt 15cdot|6x-3|=36 : : : : : div15\\ displaystyle tt |6x-3|=frac{12}{5}\\ displaystyle tt 6x-3=frac{12}{5}\\ displaystyle tt boxed{bold{x_1=0,9}}\\ displaystyle tt 6x-3=-frac{12}{5}\\ displaystyle tt boxed{bold{x_2=0,1}}$