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now you try: $2x + 42 -(5x - 3)$

Question

now you try: $2x + 42 -(5x - 3)$

Explanation:

Step1: Resolver paréntesis interno

$2x + 4[2 - 5x + 3]$

Step2: Sumar términos constantes

$2x + 4[5 - 5x]$

Step3: Aplicar propiedad distributiva

$2x + 20 - 20x$

Step4: Combinar términos semejantes

$(2x - 20x) + 20$

Answer:

$-18x + 20$