QUESTION IMAGE
Question
model the expression using algebra tiles. 2x - 4x. write your simplified expression below.
Step1: Identificar términos semejantes
Tenemos $2x$ y $- 4x$, que son términos semejantes.
Step2: Realizar la operación
Sumamos los coeficientes: $(2 - 4)x$.
$2-4=-2$, entonces $(2 - 4)x=-2x$.
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$-2x$