2x+3y·3y+2x=z
2(3.2)+3y<span>·3y+2(3.2)=457.96
6.4+9y+6.4=457.96
12.8+9y=457.96
-12.8=-12.8
9y=445.16
/9=/9
y=49.46222222
y=49.46</span>
The answer should be<span> 4. Because in each cube you take from one corner,it seems like you lost 3 square shaped area but when you remove the cube, there occurs the hidden 3 square shaped area under that cube. So the surface area doesn't change. You should try to imagine the cube, it may help. </span>
Answer:
x=−6
Step-by-step explanation:
Let's solve your equation step-by-step.
3+5x=3x−9
