Question 174826


{{{(x-20)+(x-40)+x=180}}} Start with the given equation.



{{{x-20+x-40+x=180}}} Remove the parenthesis.



{{{3x-60=180}}} Combine like terms on the left side.



{{{3x=180+60}}} Add {{{60}}} to both sides.



{{{3x=240}}} Combine like terms on the right side.



{{{x=(240)/(3)}}} Divide both sides by {{{3}}} to isolate {{{x}}}.



{{{x=80}}} Reduce.



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Answer:


So the answer is {{{x=80}}}