Question

solve for d.

d + 8 = -d - 10

d = \boxed{}

Explanation:

Step1: Add \(d\) to both sides

To isolate the variable \(d\), we first add \(d\) to each side of the equation \(d + 8=-d - 10\). This gives us \(d + d+ 8=-d + d- 10\), which simplifies to \(2d+8 = - 10\).

Step2: Subtract 8 from both sides

Next, we subtract 8 from both sides to get \(2d+8 - 8=-10 - 8\). Simplifying the left and right sides, we have \(2d=-18\).

Step3: Divide by 2

Finally, we divide both sides of the equation \(2d = - 18\) by 2. So, \(\frac{2d}{2}=\frac{-18}{2}\), which gives \(d=-9\).

Answer:

\(-9\)