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Mathematics
Karly Chan
2 December, 16:54
What is - 2x-7=3 (4x+7)
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Callie Vega
2 December, 17:42
0
x = - 2
Step-by-step explanation:
-2x-7=3 (4x+7)
multiply numbers in parenthesis by 3
-2x-7=12x+21
move terms
-2x-12x=21+7
subtract - 2x to - 12x but since there negative the equation is addition. Also, add 21 to 7
-14x=28
divide both sides by - 14
x = - 2
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Izabella Parrish
2 December, 20:08
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x = - 2
Step-by-step explanation:
sorry dont read this
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