If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-15j=300
We move all terms to the left:
-15j-(300)=0
We move all terms containing j to the left, all other terms to the right
-15j=300
j=300/-15
j=-20
| .25x+x=10000 | | t+188=639 | | .25+x=10000 | | 5x+(1x+1)=13 | | 2/3x+7=5x-2 | | 10−h=5 | | 17x+17=59 | | v-12=30 | | 4x+4=2x+61 | | 2(x−7)=2x−10 | | n+2/2=2 | | m+868=362 | | 6x-(x-2)=5-2 | | 16x-10=137 | | m=−47 | | 2x+15=-49 | | q+33=86 | | 10x+21=9x+12 | | 10x+21=9x+2 | | h-419=779 | | 3x+16=5x-48 | | 4h+5=1+5h | | 3x+4x+2x+5x+6=180 | | 12v−11v=13 | | 7(x-3)=-2x+24 | | 4+4.75a=3+5.55a | | x+8+x+20+2x+12=180 | | n+15/7=25/5 | | r+3/4=7/8 | | 50/100=10/x | | 13x=12x+11 | | 14n+11=43 |