Solve the Integer Expression: -7 + 5 + 2 + 1

Question

7+5+2+1= -7+5+2+1=

Video Solution

Solution Steps

00:00 We will use the substitution law to rearrange the exercise
00:11 Addition and subtraction are at the same level, so we'll solve from left to right
00:20 And this is the solution!

Step-by-Step Solution

According to the rules of the order of arithmetic operations, we solve the exercise from left to right since it only has addition and subtraction operations:

7+5=2 -7+5=-2

2+2=0 -2+2=0

0+1=1 0+1=1

Answer

1 1