First, eliminate the constant by finding its inverse operation . The equation needs to be balanced so if you subtract 7 on one side of the equal sign, you must do the same on the other side of the equal sign.
From here you must isolate x by eliminating the coefficient of 2 through its inverse operation. Once again, the equation needs to be balanced. If you divide by 2 on one side of the equal sign, you must do the same on the other side of the equal sign.
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