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29 votes
29 votes
Jason solved the following equation to find the value for x.

-8.5x-3.5x=-78
X=6.5
Describe how Jason can check his answer.

User Anna Gabrielyan
by
3.0k points

1 Answer

21 votes
21 votes
Plug in 6.5 for x.
-8.5x-3.5x=-78
-8.5(6.5)-3.5(6.5)=-78
-55.25-22.75=-78
-78=-78
User Ababuji
by
3.6k points