Question

Six times the sum of a number and eight is 30. Find the number.

Short answer

The number is$-3.$

Step-by-step solution

Step 1. Given information

Six times the sum of a number and eight is 30.

Step 2. Forming linear equation

Let the required number be $x.$

Then,localid="1658075279011" $6[\left(number\right)+8]=30$

Step 3. Finding numbers

$$\begin{gathered} 6\left(x+8\right)=30 \\ 6x+48=30 \\ 6x=30-48 \\ 6x=-18 \\ x=-3 \end{gathered}$$