Solve the Integer Sequence: 3-4+2+1 Step by Step

Solve:

3−4+2+1 3-4+2+1

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:04 Let's start by using the commutative law to rearrange the problem.
00:11 Now, we'll solve it step by step from left to right.
00:17 After rearranging, it becomes a simple subtraction problem.
00:22 Great job! That's how we find the solution!

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Solve:

3−4+2+1 3-4+2+1

2

Step-by-step solution

We will use the substitution property to arrange the exercise a bit more comfortably, we will add parentheses to the addition operation:
(3+2+1)−4= (3+2+1)-4=
We first solve the addition, from left to right:
3+2=5 3+2=5

5+1=6 5+1=6
And finally, we subtract:

6−4=2 6-4=2

3

Final Answer

2

Practice Quiz

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\( 100+5-100+5 \)

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