Add the inverse to both sides of the equation to get the variable term by itself.
ex: 3x + 7 = -8
Add -7 to both sides of the equation this 'cancels' the +7 on the left leaving 3x, the variable term, alone on the left.
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Defining the problem.
f+5 greater than or equal to 31
Add 2 to each side.
The first step is produce the radical equation that needs solving.
Yes because simpler alternatives are usually easier