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Chapter 2: Q9. (page 145)

Solve each equation. Check your solutions.

5y-4=9y+8

Short Answer

Expert verified

They=鈭�3 is the solution of the given equation.

Step by step solution

01

Step 1. Given information.

We have an equation 5y-4=9y+8.

To find the solution of the given equation and check the solution.

02

Step 2. Calculation.

Solving the given equation:

5y-4=9y+8鈬�5y鈭�9y=8+4鈬�鈭�4y=12鈬�y=鈭�3

03

Step 3. Check the Solution.

We substitute they=鈭�3 in the given equation.

5y鈭�4=9y+8鈬�5(鈭�3)鈭�4=9(鈭�3)+8鈬�鈭�15鈭�4=鈭�27+8鈬�鈭�19=鈭�19鈬�L.H.S.=R.H.S.

Hence, they=鈭�3 is the solution of the given equation.

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