### Home > MC1 > Chapter 2 > Lesson 2.4.1 > Problem2-132

2-132.

Simplify each expression below. For each expression, draw a picture or show how you know your answer makes sense. Homework Help ✎

1. $5+(−4)+12$

$5+(−4)+12=13$
Remember to show how you know.

1. $6(−2)+10$

$6(−2)+10=−2$
Remember to show how you know.

1. $100(−5)$

$100(−5)=−500$
Remember to show how you know.

1. $−212+(−102)$

Visualizing is helpful.

−212

+ (−102)

1. $4+6(3)+2(5−1)$

Remember to use the order of operations.
Refer to the Math Notes box in Lesson 2.4.1 for a reminder.

1. $5+3(5)−4(5)$

Simplify: $5+15−20=$ ?