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Chapter 5: Q78. (page 228)

Solve the equation $- 12 x - 5 x = 3$ .

Short Answer

Expert verified

The solution for the equation is $x = - 3$ .

Step by step solution

01

Step 1. Write down the given expression.

The given equation is $- 12 x - 5 x = 3$ .

02

Step 2. Simplify the given equation.

Simplifying $- 12 x - 5 x = 3$ gives,

$\begin{matrix} - 12 - 5 x = 3.... (Given) \\ - 12 - 5 x + 12 = 3 + 12.... (Add12bothsides) \\ - 5 x = 15 \\ x = - 3.... (Divideby - 5) \end{matrix}$

03

Step 3. Conclusion.

The solution for the equation is $x = - 3$ .

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