7x - 8 = 2x + 5
( 2x → - 2x )
( - 8 → 8 )
7x - 2x = 5 + 8
( 7x - 2x = 5x )
( 5 + 8 = 13 )
5x = 13 → x = 13/5
7x - 8 = 2x + 5
( 2x → - 2x )
( - 8 → 8 )
7x - 2x = 5 + 8
( 7x - 2x = 5x )
( 5 + 8 = 13 )
5x = 13 → x = 13/5