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Chapter 3: Q. 45 (page 122)

What is the solution of the equation15y-63=57.

A.(-8)

B. 8

C. 9

D. 10

Short Answer

Expert verified

The solution of the equation is y=8Option (B) is correct.

Step by step solution

01

. Given information

The equation is:15y鈭�63=57

02

Step 2.  Solve the equation.

Solve the equation using subtraction and division.

15y鈭�63=57[Writeoriginalequation.]15y鈭�63鈭�63=57鈭�63[Subtract63fromeachside.]15y=120[Simplify.]15y15=12015[Divideeachsideby15.]y=8[Simplify.]

So,y=8

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