If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2d+2=180
We move all terms to the left:
2d+2-(180)=0
We add all the numbers together, and all the variables
2d-178=0
We move all terms containing d to the left, all other terms to the right
2d=178
d=178/2
d=89
| -9n-4n=25 | | 8+-x/4=5 | | (5/m)+(5/m-10)=3 | | X^2-4x+348=0 | | 5^(x^2+40x)=5^(-144) | | w-17=3.4 | | 0.75x-3.5=2.9 | | (8r-1)175=25(8r-1) | | (9x-25)-(3x-5)=4x+12 | | 6(1-3b)=-30 | | 10+.89x=99x | | x^2+40x=-144 | | .3=y/65 | | 8y-3y-15=58.40 | | 7x+8+-44=88-7x | | 2(x-3)=12(4x-12) | | 5(5r-1)=-105 | | –2b=–8−3b | | -4x-5=2 | | x²+20=16 | | 8x^2-5=70 | | 4(7n+2)-9=3 | | (9m+10m)=2 | | -8x+9=18x-14 | | -3x+33=27 | | 1x+2.09=33.44 | | 30=e/600 | | -1.8+1.3w=-2.5 | | 3k-5k-2=k-6-5 | | 3+5x=-49 | | 42+x+90+x+58=180 | | 90+(2x+1)(5x-50)=180 |