Question

expressões )5x_1=x
b)6x+10=4
c)7x_10 =4

Answer 1

x = 5x - 1

-4x = -1

x = 1/4

5x + 10 = 4

5x  = -6

x = -6/5

7x - 10 = 4

7x = 14

x = 14/7

x = 2