These videos might help you
https://www.khanacademy.org/math/algebra/systems-of-linear-equations/systems-of-linear-equations-wor...
Datos:
Perímetro = 48m
Ancho = x
Largo = 2x
Área = (2x)(x)
Ecuación:
2x + 4x = 48
6x = 48
x = 48/6
x = 8
Sustitución:
Área = [2(8)](8)
Área = (16)(8)
Área = 128
Respuesta: Se necesitarán 128 metros cuadrados de papel decorativo
1/9 - 5/6
Convert both of them into denominators of 18.
2/18 - 15/18
Subtract the numerators and keep the denominator:
-13/18
Answer:
See the image for solution.
Brainlist please
