If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-4x-20=12
We move all terms to the left:
-4x-20-(12)=0
We add all the numbers together, and all the variables
-4x-32=0
We move all terms containing x to the left, all other terms to the right
-4x=32
x=32/-4
x=-8
| -4(m+5)=84 | | -48=2t-2 | | 86200/25=(25/100)/x | | -8(-7)=i | | -2=k/3 | | 7x+9=7(x-2) | | (41x-2)+(46x)=180 | | 10=-x-9-6 | | 1/7x+41/4=2x-5 | | 8x-10/2=-5x | | 3x^2+22x-93=0 | | 9k=–8+10k | | 8/9=30+c/45 | | x−10.5=1.2 | | 8x+26=14x-28 | | x-(-9)=21 | | 3^2+22x-93=0 | | (x-4)^2=(x-6)(x-1) | | -(-3n+3)+4n=-25+3n | | -7(4g+6)-2g=3g+3 | | 15=7x+5 | | 16=2/3x+2 | | 10+9j=10j | | 4m-12=4m+42 | | -5+3-4x=-24 | | -12.8=v/8 | | 3x2+22x-93=0 | | 8+b/7=18 | | 5y–7=3y–13 | | 10h+15/24h=40 | | -g/4+10=13 | | -5-(-5)=u |