5/6 (x+4)=15
56×(x+4)=15
5x6+206=15
5x+206=15
5x+206×6=15×6
5x+20=15×6
5x+20=90
5x+20−20=90−20
5x+0=90−20
5x=90−20
5x=70
5x5=705
1x=705
x=705
x=14
5/6 (x+4)=15 cross multiply
5(x + 4) =90 divide both sides by 5
x + 4 = 18 subtract 4 from both sides
x =18 - 4
x = 14