Respuesta :

Answer:

8 3 + 4 2 + 7 − 7

Step-by-step explanation:

Distribute

(103+72−7)−1(23+32−7)

(103+72−7)−23−32+7

Eliminate redundant parentheses

(103+72−7)−23−32+7

103+72−7−23−32+7

Combine like terms

103+72−7−23−32+7

83+72−7−32+7

Combine like terms

83+72−7−32+7

83+42−7+7

Rearrange terms

83+42−7+7

83+42+7−7

Otras preguntas