Answer:
x = 12.5
Step-by-step explanation:
3(2x + 5) = 90 ( divide both sides by 3 )
2x + 5 = 30 ( subtract 5 from both sides )
2x = 25 ( divide both sides by 2 )
6xAnswer:
6x + 15 =90
6x = 90 - 15
6x= 75
x=12.5