Solve for y, 3x + y = 15

y=15-3x

Step-by-step explanation:

you get this by moving the 3x to the other side

this causes the sign to change to minus

hope this helpsss :)) xx

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft