If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13+9d=76
We move all terms to the left:
13+9d-(76)=0
We add all the numbers together, and all the variables
9d-63=0
We move all terms containing d to the left, all other terms to the right
9d=63
d=63/9
d=7
| j/42=16/24 | | 21/m=6/14 | | 16x35=7x-8 | | 21/3=7/m | | (y-11)(21y+6)=0 | | a+7/16;a=7/8 | | 2y+2.2y=6.3 | | 11=76-y | | 1.25y-25=50 | | 7x/4=−1/2 | | 7+3m=68 | | 7^x=49^x-9 | | (5-x)^4+(2-x)^4=17 | | 4(r+2)–4=–2r+6 | | (1+r)^5=1.34 | | 7x4=−12 | | x/6+14=32 | | -12s-48=−48= | | 3(x+9)+20=42 | | -12s-48=−48 | | x/8+14=32 | | 1.15x+2=23.3 | | x^2-4x=2x-8 | | 400=200^x | | 16x+25=3x-8 | | 4(x-3)+x=28 | | 12+5t=-68 | | 7x-9x6=21-5 | | |7x+2|=23 | | c/9=40 | | Y^2=15y-36 | | 23=4f+5 |