7(x+2)=91
^ ^
7x + 14 = 91
-14 = -14
7x = 77
/7 /7
x= 11
~Expand the equation.
~Multiply (distribute) the first numbers of each set, outer numbers of each set, inner numbers of each set, and the last numbers of each set.
~Combine like terms.
~Solve the equation and simplify, if needed.
