Answer :
[tex]14+2 (4g-3) = 40\\\\14+8g-6 = 40 \\\\8g=40-14+6\\\\8g=32\ \ / :8\\\\g=4[/tex]
14 + 2(4g - 3) = 40
14 + 2(4g) - 2(3) = 40
14 + 8g - 6 = 40
14 - 6 + 8g = 40
8 + 8g = 40
-8 -8
8g = 32
8 8
g = 4
14 + 2(4g) - 2(3) = 40
14 + 8g - 6 = 40
14 - 6 + 8g = 40
8 + 8g = 40
-8 -8
8g = 32
8 8
g = 4