Solving
an equation means finding a value of a variable that make the equation true.
This value is called the solution of the equation. A mathematical equation is
just like a balanced equation. Both sides of the equation should be equal at
all times. Whatever we do to one side, has to be done on the opposite side.
\(-3(-4y+3) +7y\) \(12y-9+7y\) \(Expand\) \((12y+7y)-9\) \(Gather \ like \ terms\) \(19y-9\)
