If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4-(-15)-(-9)-(-3)=x
We move all terms to the left:
4-(-15)-(-9)-(-3)-(x)=0
We add all the numbers together, and all the variables
-1x+31=0
We move all terms containing x to the left, all other terms to the right
-x=-31
x=-31/-1
x=+31
| -2x+8+3x+4=-40 | | 18+(-8)-(-13)+(-16)=x | | -2+8-3x=-3x+6 | | 10+20x=15+.12x | | 12-(-13)-13-1=x | | (-11)-(-18)-(-19)-1=x | | 2(2z+5)=5 | | 6x+13=x+33 | | 5x+18=57 | | 11x-12+3x+8=90 | | 4=w+23 | | -8-5x=-4-6x | | 16z+9=40 | | 13-(-11)-17+(-16)=x | | 7x+4(5x-16)=179 | | 3r+24/9=5r-10/5 | | 9x-40=x+56 | | -6-3(1+5d)=-39 | | (-7)+12-(-7)+(-8)=x | | 24/42=x/54 | | 3(2f-9)=9(f-6) | | 5x+2x+7=2 | | (-11)-(-8)+(-4)+16=x | | 2x-12=20+x | | 12x+20=5x-10-3x | | (-4)-11+12+(-3)=x | | 4x+38=x-13 | | 6z+9=40-10z | | x-1/18=7/9 | | (-4)-11+12+(-13)=x | | |–8c+4|+3=12 | | 2x-17+2x-17=334 |