Al resolver un sistema de ecuaciones usando el método de elinación, ¿cuál corresponde al paso 1? Resolver la ecuación resultante

Multiplicar si es necesario, para poder cancelar la misma variable

Sustituir y resolver para determinar el valor de la segunda variable

Sumar ambas ecuaciones: Ec 1 y Ec 2

What is the approximate total length of iron edging needed to create the square frame and the two diagonals?

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?