If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2d-2d+d=4
We move all terms to the left:
2d-2d+d-(4)=0
We add all the numbers together, and all the variables
d-4=0
We move all terms containing d to the left, all other terms to the right
d=4
| -7d-11d+15d+-14d-3d=-16 | | -8.22+4.6v=-7.6+0.7(v-5.9) | | 2(2x+3)-7x=23-(x+3x) | | 4.8v+16.77=-1.5v-15.36 | | 12c+97+6c+65=180 | | (13x+6)+(x)=90 | | -6m+3m=-9 | | 5(1/2)^x=155 | | Y=x-1/x+5 | | -11n+11=-8n-16 | | 10t+5t+5t=20 | | 11+3b=8b-4 | | -8-3x=x+4 | | 3x=2(3x)-3x | | -16x+84=36x+24 | | (10x-20)=(6x/8) | | -8f+17+12f=1+3f | | 12c+97=6c+65 | | 14a+3a+a+2a-13a=14 | | 3x=2(3x) | | 2.5b-2=6.5 | | y+70+2y-46=180 | | 5(2x+5)=10x+24+1 | | -10t+5t+4t+-10t=11 | | 3.81=n-3.62 | | 9c-75=6c-45 | | -20+19j=20j | | (7x+5)+(8x+9)=90 | | 7=-16t^2+32t+2 | | -4w+8=-10-2w | | 2z+5z-6z+2z=15 | | n^+18+9n=0 |