The area of the two garden plots is the same.
Since the rectangular garden plot has an area of 2m * 8m = 16m2, the square garden plot has sides 4m.
#1 - 8/7 7:8
#2 -3:4
#3 - 3:8
#4 -4:3
The distributive property is a simplification rule that does not change the value of an expression. Nothing need be done to the other side of the equation.
q = -4(3+x)
q = -4*3 -4*x . . . . . the -4 is distributed. The right side has not changed value.