Question 858523
{{{ 7 + 6x = 61 }}}
Subtract {{{ 7 }}} from both sides
{{{ 7 + 6x = 61 }}}
{{{ -7 = -7 }}}
{{{ 6x = 61 - 7 }}}
{{{ 6x = 54 }}}
Divide both sides by {{{ 6 }}}
{{{ ( 6x ) / 6 = 54 / 6 }}}
{{{ x = 9 }}}
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The general rule is "whatever you do to
one side of the equation, you must 
do to the other side"