If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3x+12-2x-16=0
We add all the numbers together, and all the variables
x-4=0
We move all terms containing x to the left, all other terms to the right
x=4
| -204=17r | | 217=-7-7(-8+4x) | | -18b=234 | | -12+6x=-84 | | -1=4-5(3x-2) | | (x+6)-(x^2-1)=6-x^2+x | | 10=17-r | | -4+6(x-6)=-88 | | 35+(4x+7)=90 | | -1-r=19 | | 12.5×2w^2-1=0 | | 18+4x=-30 | | -32=-26+n | | 5/6x-10=1/3(x—15) | | -5(1-8x)+1=316 | | 4+2p=10(3/5)p-2) | | -9=-11+b88 | | -30n=-360 | | x+(-23)=3 | | 5(-2x-1)+7=82 | | 15v=-225 | | -6(8x+5)+3=-411 | | -456=24m | | 9+x+6x=-61 | | t–6=5/6 | | v/14=12 | | c+40=20 | | (x+6)-(x^2-1)=6-x(x-1) | | (x+6)-(2×x-1)=6-x(x-1) | | 6(3x+8)=84 | | 8=3x+14 | | 5-5x+10=2.5 |