Question 422990
{{{(2w+2)/10= 4w/18}}} Start with the given equation.



{{{18(2w+2)= 10(4w)}}} Cross multiply



{{{18(2w+2)= 40w}}} Multiply



{{{36w+36=40w}}} Distribute.



{{{36w=40w-36}}} Subtract {{{36}}} from both sides.



{{{36w-40w=-36}}} Subtract {{{40w}}} from both sides.



{{{-4w=-36}}} Combine like terms on the left side.



{{{w=(-36)/(-4)}}} Divide both sides by {{{-4}}} to isolate {{{w}}}.



{{{w=9}}} Reduce.



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Answer:


So the solution is {{{w=9}}} 



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