Mathematics, 15.09.2021 21:30, natalie2sheffield

Is the substitution below done correctly if the solution to the equation is x=-1? 5x+9=2(3+x)
5(-1)+9=2(3+(-1))
-5+9=2(2)
4=4
LHS=RHS

Answers: 1

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Is the substitution below done correctly if the solution to the equation is x=-1? 5x+9=2(3+x)