Solve for x by simplifying both sides of the equation, then isolating the variable.
x = 10
The answer is c.use pemdas❤️
First, we know L and W are the same number. The in the end the Length is 6 more, therefore we add 6. The equations begins as so
2x+6=27
-6
2x=21
/2
x=10.5
+6
Therefore the Width =10.5 M
The Length = 16.5 M
0.78 converted to a percent would be 78%