If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x-20=51
We move all terms to the left:
x-20-(51)=0
We add all the numbers together, and all the variables
x-71=0
We move all terms containing x to the left, all other terms to the right
x=71
| 9x+5-2x=68 | | -2+7.50x=8 | | 38+5n=4(-6n-5) | | 9x–13=2x–34 | | 13(6g-2)+g=6(12g-13) | | x−=2051 | | 10+5n=-(-2-5n) | | 20(x-4)=20(2x+16) | | -2(y+2)+7=3(y+6 | | 9x+5-2=68 | | 3d+8=2d–7 | | -4+10b=8b | | -5(3x+3)=6x+11 | | 5÷8-3y=3÷2+y | | 5.5g+5=2.5+20 | | n2+3n+12n2+18n=180 | | 200+6x=600-6x | | 20x+140=500 | | r=9-8r | | n+1=2n+1-n | | 9n−2=7n+50n= | | -6(n+4)=-6n-24 | | 3(y+2)+7=3(y+6) | | 1/2x=(x+3/3) | | (3x+1)²+(x+2)²=65 | | 4(1/2x-1)=12 | | 4=-0.8r | | -10+w=-3w+2 | | 1=2t-5 | | -38+x=5-5(-1+3x) | | n2+3n+12n2+18n=180˚ | | -4(2x-3)=(x+2)2x |