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Mathematics
11 November, 00:00
2x + 3 equals negative 7
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Luciana Santiago
11 November, 00:04
0
So,
2x + 3 = - 7
Subtract 3 from both sides.
2x = - 10
Divide both sides of the equation by 2.
x = - 5
Check.
2 (-5) + 3 = - 7
-10 + 3 = - 7
-7 = - 7 This checks.
S = {-5}
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