If it's not what You are looking for type in the equation solver your own equation and let us solve it.
180=51+b
We move all terms to the left:
180-(51+b)=0
We add all the numbers together, and all the variables
-(b+51)+180=0
We get rid of parentheses
-b-51+180=0
We add all the numbers together, and all the variables
-1b+129=0
We move all terms containing b to the left, all other terms to the right
-b=-129
b=-129/-1
b=+129
| -8.6-6x-6.6-x=-6x-4.3 | | -2(4x-3)=-6x+6 | | 177.5=5a | | (6x+8÷2)-4=3x | | 9x-4+x^2-4x=100 | | 14-c=15 | | 4+7b-8(3b-8)=-17 | | 10-(3z-1)=8-4z | | x–3(x+1)=x-10 | | 6n+86=518 | | 5x–3(x+1)=x-10 | | (4r-6)-3r=12 | | 35=50-5k | | 12y+25=61 | | -3(b-2)=2(1-2b) | | 5x=-5/3 | | a+3/5=21/5 | | h12-5=-17 | | -5(7r-8)=13-8r | | 1/3x9x+3=3x+1 | | -17+21=-2(x+1) | | 6k/3=32 | | 238=65+b | | (8x-5)°=(4x-19)° | | 4/3x+2/6x=36/9 | | 2x-30-6x=18-4x | | -6-3a=-(4a+2) | | 4.1.9x=1.3x+37.44 | | 2+2=-2(7x-2) | | 2a+5=75 | | 6(q-5)=12+3q | | 4(3x+7)=-27+31 |