30+2x=3x+5
x=25
edit: sorry for the wrong answer. i messed up
the square of a negative number always be positive
eg: -2² = -2×-2 = (-×- = +) +4
the cube of a negative number always be positive
eg: -2³ = -2×-2×-2 = (-×-×- = +) -8
hope it helps...!!!
Answer:
20 days
Step-by-step explanation:
. . . . . . . . . . . . . . . . . . . . . . . fvnkaenba iea ve;behbe fe;hg