To solve for x in the equation 7x - c = k, we can isolate the variable x by performing the following steps:
Step 1: Add c to both sides of the equation:
7x - c + c = k + c
7x = k + c
Step 2: Divide both sides of the equation by 7:
(7x)/7 = (k + c)/7
x = (k + c)/7
Therefore, x = (k + c)/7.
7x - c = k for x
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