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3(x – 1) +4(2x +1) =23
3x-3+8x+4=23
3x+8x-3+4=23
11x-3+4=23
Let’s shift the value and find unknown
11x=23+3-4
Why this because sign changes while shifting from one side to other
11x=22
Let’s make x alone
X=22/11
X=2
3x-3+8x+4=23
3x+8x-3+4=23
11x-3+4=23
Let’s shift the value and find unknown
11x=23+3-4
Why this because sign changes while shifting from one side to other
11x=22
Let’s make x alone
X=22/11
X=2
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