Answer:
g = 2
Explanation:
Given
5g + 12 = 2g + 18 ( subtract 2g from both sides )
3g + 12 = 18 ( subtract 12 from both sides )
3g = 6 ( divide both sides by 3 )
5g + 12 = 2g + 18
3g + 12 = 18
3g = 6
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