Explicación paso a paso:
x+4 + x+4 +x + x= 168
x+ x +x +x = 168-8
4x =160
X= 160÷4
x=40 altura
40 + 4 = 44
prueba
40+4 + 40+4+40 + 40= 168
44+44+40+40 =168
88+ 80 =168
168=168
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Explicación paso a paso:
x+4 + x+4 +x + x= 168
x+ x +x +x = 168-8
4x =160
X= 160÷4
x=40 altura
40 + 4 = 44
prueba
40+4 + 40+4+40 + 40= 168
44+44+40+40 =168
88+ 80 =168
168=168