Решите уравнения: 1) 4x-39=5x+87+2x2) -15y-109=269+27y3) 18z+38=30z-584)...

Question

Решите уравнения:
1) 4x-39=5x+87+2x
2) -15y-109=269+27y
3) 18z+38=30z-58
4) -27x+600-29x+152
5) -3*(5y-7)=6*(2y+34)+60
6) 45-5*(12z+3)=186+3*(3z-6)

Answer 1

1)4x+5x-2x=87-39                7x=49                 x=49:7                        x=7                                                                                                                          

Comments

с решением!