6. Simplify the expression : (x+6)+(3x-4)+(x-1)+(x+2)
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Answer:
Step-by-step explanation:
x + 6 + 3x-4 + x -1 + x +2 (opening the brackets)
6x + 3 = 0
6x = -3
x = -3/2
x = -1/2
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