If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-287w=7
We move all terms to the left:
-287w-(7)=0
We move all terms containing w to the left, all other terms to the right
-287w=7
w=7/-287
w=-1/41
| 57=13x-190 | | -8p+3+6p=-3p-7 | | 22,161/g=83 | | -12.2+x=-14.55 | | 2x+37=4x-5 | | R(3x)=45 | | 9x-7=12x-3-4x | | 2+2r=-10+4r | | -45+9x=90 | | -5-9u=3-10u | | 3x+7-x2=2x+5 | | 4(x-3)-2x=12-2x | | 25x=-30 | | -6q-10=-5q | | 15x-1=76 | | -4+x=1/2-2 | | 3h+5=5h-5 | | 3x+15=-x-9 | | 3(2y-3)=25 | | |3n|=21 | | 1.4-1.5x-0.3=8.6 | | n/7-2.4=4.285 | | 9x+2=236 | | m–16=-4 | | y=(0.75+3) | | 5x+9=9x-9 | | 18=3yy= | | 4(x+3)=112 | | 3(x+4)=6x+12-3x | | 170+0.15x=287 | | -133=-43+9x | | 15-w=249 |