Question

Look at picture for question try your best :)

Answer 1

-3d+10=43
subtract 10 from each side
-3d=33
divide each side by -3
d=-11

Answer 2

$-3d + 10 = 43$

Solution:

1) Switch +10 to -10 and subtract -10 in each side.

Example:
43-10= 33 

2) You will be left with $-3d=43$

3) Divide $\frac{43}{-3d}$

4) Your final answer is -11

So, d = -11