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To solve for N in the equation F = 9/7 (N-61), we can start by isolating N on one side of the equation.
First, distribute the 9/7 to both terms inside the parentheses:
F = 9/7 * N - 9/7 * 61
F = 9/7N - 549/7
Now, we can add 549/7 to both sides to isolate the N term:
F + 549/7 = 9/7N
Next, multiply both sides by 7/9 to solve for N:
(7/9)(F + 549/7) = N
N = 7/9F + 549/9
Therefore, the solution for N in the equation F = 9/7 (N-61) is N = 7/9F + 61.