Question

решите уравнение:а)(2x-4)÷(-13)=-7 б)y÷3 29=-893=

Answer 1

а)(2x-4)÷(-13)=-7; (-13)*(-7)=(2x-4); 7/3=2x-4; 2x=7/3+4; 2x=6.1/3; x=19/3*1/2=19/6=3.1/6

б)y÷3.29=-893; y=-8/93 * (-29/9); y=232/837;