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Mathematics

Answered

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Answer :

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Correct Work

4x+8 +3(x-4)

4x +8 + 3x-12

4x+3x+8 -12

7x -4

Mistake Made

3 wasn't multiplied by the 4 in the bracket
Like terms wasn't combined in the working out
The answer was supposed to be -4, 8-4= -4

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