If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-13+4x=-13
We move all terms to the left:
-13+4x-(-13)=0
We add all the numbers together, and all the variables
4x=0
x=0/4
x=0
| –1+–3w=–4 | | 3y-33=-7(y+3) | | 3a^2+19a-36=4 | | 2x-(3x+24)=-26 | | 19y-1=17 | | (-9y-6)=(-4y-9) | | X=-9X+9y=9 | | X+x-1=1.1 | | 1/3x+1/2=2/3x+5 | | 9m=7m-12 | | 4c+c+5=180 | | 37000-275x=31775 | | 74+42+c+3c=180 | | u+34+u-5+u-5=180 | | 30=j+⁵⁰ | | v+43+42+4v=180 | | 33-r=6r | | 82+34+8t=180 | | 113+35+8t=180 | | 7x+22=50° | | 70+2w=180 | | 18=10x=8 | | 12+9w=39 | | 54+7w=180 | | 48+4b=180 | | 40+5u+5u=180 | | 5x+5(2x-20)=20 | | 3x+4+2x-1+3x+4+2x-1=40 | | x=24.50+1.34x | | -1(x+2)+4=-2(x-4) | | x+20(1)=19 | | 13x-14=27 |