If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-4a-8=28
We move all terms to the left:
-4a-8-(28)=0
We add all the numbers together, and all the variables
-4a-36=0
We move all terms containing a to the left, all other terms to the right
-4a=36
a=36/-4
a=-9
| 10(3r+8)=45 | | -3x2+36x-81=0 | | 4.25x+64.6-10x=0 | | 0.01(x-10)=100 | | 2x-78=180 | | -3x^2+36-81=0 | | 400(2y+3y)=1050 | | 4x+1=4x+45 | | 3x-12=-x96 | | x(8x+16)=3x^2-8x+5 | | 3x+(x-50)+x=1000 | | (a+3/7=3 | | 5-x-2+3=4x+5 | | 6j-15=21 | | 12/7=-6t | | 4g-14+4g=1-g | | 4.75x+8(14-x)=95.75 | | 24=-4z | | 2(3x+8)=100 | | 28n=250 | | 6(2x+4)=108 | | 2(4m-3)=12m+18 | | -2(7-y)+4=-5 | | 6v+21=51 | | -2-4-4x=-10 | | -5a+2a=-18 | | -42=5c27 | | 10+1/5x=11 | | 2x+8=2(7x-4) | | 6d+21=27 | | 0.15(y-0.03)=2-0.5(1-y) | | 144(x^2)-9=0 |