Решите уравнение:(3/4х - 2/3)*15=8 А)2.4 В)1.6 С)5 1/3 D) 1 1/7

3/4x-2/3=8/15 3/4x=8/15+2/3=8/15+10/15=18/15 x=18/15:3/4=18/15*4/3=8/5=1,6

([latex] \frac{3}{4} [/latex]х - [latex] \frac{2}{3} [/latex]) * 15= 8 [latex] \frac{3}{4} [/latex]х * 15 - [latex] \frac{2}{3} [/latex] * 15 = 8 [latex] \frac{45}{4} [/latex] x - 10 = 8 [latex] \frac{45}{4} [/latex] x = 10 + 8 [latex] \frac{45}{4} [/latex] x = 18 x = 18 / [latex] \frac{45}{4} [/latex]  x = [latex] \frac{8}{5} = 1,6[/latex]