Question

o perimetro do terreno abaixo e de 128 metros quanto vale x

Answer 1

4x+1+4x+1+3x+2x+3x+2x=128
8x+10x=128-2
18x=126
x=126/18
x=7

Answer 2

P=128
2(4X+1)+2(5X)=128
8X+2+10X=128
18X=128-2
18X=126
X=126/18
X=7