Answer:
x + 4 = 0. / -3x = 12. / x - 4 = -8
Explanation:
x + 4 = 0
-4. -4
x = -4
-3x = 12
÷-3. ÷-3
x - 4 = -8
+ 4. +4
x + 4 = 4
x = 0
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