Question 565094
{{{5x+2x-9=40}}} Start with the given equation.



{{{7x-9=40}}} Combine like terms on the left side.



{{{7x=40+9}}} Add {{{9}}} to both sides.



{{{7x=49}}} Combine like terms on the right side.



{{{x=(49)/(7)}}} Divide both sides by {{{7}}} to isolate {{{x}}}.



{{{x=7}}} Reduce.



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Answer:


So the solution is {{{x=7}}} 

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