2-3x/7=-X/3 25 +8y-(6y-4)=11 12x-3(0,5-x)=13 1/2

Question

2-3x/7=-X/3
25 +8y-(6y-4)=11 12x-3(0,5-x)=13 1/2

Answer 1

2-3х/7(это дробь)=х/3(дробь)
42-9х=7х
-9х-7х=-42
-16х=-42
х=21/8(дробь)