If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-(x+5)=4x+15
We move all terms to the left:
-(x+5)-(4x+15)=0
We get rid of parentheses
-x-4x-5-15=0
We add all the numbers together, and all the variables
-5x-20=0
We move all terms containing x to the left, all other terms to the right
-5x=20
x=20/-5
x=-4
| 12÷y=(-16) | | 5=12x=38=x | | 16^5x=40 | | 13+5(x-2)=63+9x | | 5x+10-3(x-7)=19 | | X^3-5x=4 | | 1.6m-1.9-0.5m=-2.7+1.1m+0.8 | | 1-2n=-9-4n | | 3x+7=35-x-12+6x | | s–19=–25 | | −x^2−8x−15=0 | | 5^x+5=86 | | 1−2n=−9−4n | | 5(x+4)=2x+71 | | .333x-7=15 | | 7v+8v=14+8v | | 3(a-2)-4=2 | | 10c+20=120 | | 10x+5=-5x | | 4x+16+x=-54 | | 13/4x=18-1/2x | | (4x+1)°=47° | | /x-5=7 | | 6+19x=16x+21 | | 9x^2+5=76 | | 2x-4=36-6x | | 12x-6=21 | | 3/3x=-2 | | x/2-4=-22 | | 13-3x=46 | | 2x=1=13 | | -20=-7x-3x |