Question

Tìm x 

7x+ 32 : 8 = 154 + 2x

Answer 1

Ta có : 7x + 32 : 8 = 154 + 2x 

=> 7x + 4 = 154 + 2x

=> 7x - 2x = 154 - 4

=> 5x = 150

=> x = 30

Answer 2

7x - 2x = 154 - 4 <=> 5x = 150 => x = 30

Answer 3

7x + 4 = 154 + 2x

2x - 7x = 4 - 154

-5x = -150

x = 30