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Chapter 2: Q36. (page 108)

Solve the equation. Check your solution.

-54=-3y

Short Answer

Expert verified

The solution for the equation -54=-3y is y=18.

Step by step solution

01

– Solve the equation

Write the original equation and separate the variables.

鈭�54=鈭�3y(Writeoriginalequation)鈭�54鈭�3=鈭�3y鈭�3(Divideeachsideby鈭�3)18=y(Simplify)y=18

02

– Check the solution 

To check the solution, substitute the value in the original equation and observe the result.

鈭�3y(WriteRight-handsideoftheequation)鈭�3(18)(Substitutey=18)鈭�54(Simplify)

This signifies that the solution is correct.

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