To find the answer make 25 equal to 6x+1
25=6x+1
25-1=24
24=6x
24/6=4
x=4
X=4
Multiplying both sides of an equation by the same number keeps the equation true. In this example, both sides are multiplied by 3, so the equation isn't changed.
The width is 11m and the length is 23m
D) because the first equation*3-the second equation*;
the left side=0, the right side = 36