If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3(a+4)=12
We move all terms to the left:
3(a+4)-(12)=0
We multiply parentheses
3a+12-12=0
We add all the numbers together, and all the variables
3a=0
a=0/3
a=0
| 64x+116=180 | | 62x+116=180 | | 5/4x=5/9 | | 6^x-4=1296 | | x+64=116 | | 9x–26=11x+4–12 | | 3u+(-2)=-20 | | (-3z+10)=16 | | 3x-5/2-12x1/3+x+3/4=5x-1/8 | | 4j2=144 | | 2(x+5)=4x-8 | | X^2+10+2=2x+5 | | 1000=500+10x | | (6+u)(-3)=20 | | 4=y/3.8 | | x+4=9= | | 90t2=207t | | 7b−52=6b−57 | | x^2+18x-213=0 | | 4(2-3x)+2x=22x | | 2x-5+1=9 | | 23000-y+3000=y | | 19x=100 | | 5100-3x^2=0 | | -4(4-5k)=17k+8 | | 2|x-5|+1=9 | | 6x×42=9x | | 90t2–207t=0 | | -1/8(x-4)=-14 | | 0.3x=0.7 | | ((x-125)/12)=2x | | x+14+5x=9+2x+5+3x |