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Chapter 3: Q41. (page 133)

Use a calculator to solve the equation. Check your solution.

-9.39-3.4d=-1.1d+11.08

Short Answer

Expert verified

The solution for the equation is d=-8.9

Step by step solution

01

Step-1 – Given

The given equation is -9.39-3.4d=-1.1d+11.08.

02

Step-2 – To determine

We have to solve the equation using a calculator

03

Step-3 – Calculation

We first make one side equal to 0.

鈭�9.39鈭�3.4d=鈭�1.1d+11.08鈭�9.39鈭�3.4d鈭�11.08=鈭�1.1d+11.08鈭�11.08[Subtract11.08fromeachsides]鈭�20.47鈭�3.4d=鈭�1.1d[Simplify]鈭�20.47鈭�3.4d+1.1d=鈭�1.1d+1.1d[Add1.1dfromeachsides]鈭�20.47鈭�2.3d=0[Simplify]

Then we add 20.47 to both sides

So, we get: -2.3d=20.47

Then divide both sides by -2.3

鈭�2.3d鈭�2.3=20.47鈭�2.3d=鈭�8.9

So the solution of the equation is d=-8.9

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