Answer: g = 2
Step-by-step explanation:
-g + 2(3 + g) = -4(g + 1)
-g + 6 + 2g = -4g + -4
g + 6 = -4g + -4
+4 + 4
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g + 10 = -4g
-g -g
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10 = -5g
10/-5 = -5g/-5
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-2 = g