Question 113712

{{{7(3x+4)=8(2x+5)+13}}}…..first multiply

{{{21x + 28 = 16 x + 40 +13}}}…move {{{16x}}} to the left and {{{28}}} to the right

{{{21x - 16 x  =   40 +13 - 28 }}}

{{{5x  =   53 - 28 }}}

{{{5x  =   25}}}….divide both sides by {{{5}}}

{{{x  =   5}}}….