Solve for g
g=40.2
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38.8=g-1.4
Multiply both sides of the equation by 2.
g-1.4=38.8
Swap sides so that all variable terms are on the left hand side.
g=38.8+1.4
Add 1.4 to both sides.
g=40.2
Add 38.8 and 1.4 to get 40.2.
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