Question

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

Short answer

The solution for the equation is $x=-\mathbf{3}$.

Step-by-step solution

Step 1. Write down the given expression.

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

Step 2. Simplify the given equation.

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

$\begin{array}{c}-12-5x=\mathrm{3....}\left(\text{Given}\right)\\ -12-5x+12=3+\mathrm{12....}\left(\text{Add12bothsides}\right)\\ -5x=15\\ x=-\mathrm{3....}(\text{Divideby}-5)\end{array}$

Step 3. Conclusion.

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