If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13=a=-3
We move all terms to the left:
13-(a)=0
We add all the numbers together, and all the variables
-1a+13=0
We move all terms containing a to the left, all other terms to the right
-a=-13
a=-13/-1
a=+13
| 157=53-w | | 10n-14=36 | | 7+(5x-4)=3x-(x-18) | | x+2x+3+3=3x+6 | | 22x+11600=-15x+1900 | | -29=v-19 | | 2(2x+)=30 | | 19z=-114 | | -16r=-944 | | 3x4=x+8 | | 3i+5=2i+10 | | Y=75x+4 | | 748=-22n | | 12x+7=4x+23 | | V(x)=x(11-2x)(17-2x) | | 6=3m-18 | | 4,662=42(p+40) | | -8+2x=1-x | | 8x3=15+10x | | 7c-7=4c+14 | | −2a=−9 | | -8g+6=(6g=8)2 | | 5(x+7)=5(x+7)= | | x^2+5x−36=0 | | 143/220=x/100 | | (z-2)+0.6(5z-1)=2+0=1 | | 139+2x+9x+6x=360 | | 1+5z=10+4z | | 3=2x+23÷5 | | (1/(x^2))-(7/x)+12=0 | | 4x2+3x−7=0 | | 3+5n=1+8n+2* |