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Chapter 2: Q. 172 (page 231)

Frida started to solve the equation −3x = 36 by adding 3 to both sides. Explain why Frida’s method will not solve the equation.

Short Answer

Expert verified

Ans) Frida's method will not solve the equation because this equation can be solved by multiply -13to both sides.

Step by step solution

01

Step 1. Given information.

given equation,

−3x=36

02

Step 2. Solve the given equation.

-3x=36⇒-3×-13x=36×-13(multiplybothsidesby-13)⇒x=-12

Frida’s method will not solve the equation because Frida started to solve the equation −3x = 36 by adding 3 to both sides . But it can be solved by multiplying-13to both sides.

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