10 POINTS? Please explain how they did it -there's already an answer

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10 POINTS? Please explain how they did it -there's already an answer

[From: ] [author: ] [Date: 11-05-22] [Hit: ]

............

solve for the equation.
4x -(3x-1) =2

the answer is 1. but how did they do the equation?

4x - (3x-1) = 2
4x - 3x + 1 = 2
1x + 1 = 2
1x = 1
x= 1

4x - (3x-1)=2
4x - 3x + 1 = 2
x + 1 - 1 = 2 - 1
x = 1
substitute!
4x - (3x-1) = 2
4(1) - [3(1) - 1] = 2
4 - (3-1) = 2
4 - (2) = 2
4 - 2 = 2

4x - (3x-1) = 2

4x - 3x + 1 = 2

1x + 1 = 2

x = 1

...............Isnt it 12? ;;

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