If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-4+-2n=-12
We move all terms to the left:
-4+-2n-(-12)=0
We add all the numbers together, and all the variables
-2n+8=0
We move all terms containing n to the left, all other terms to the right
-2n=-8
n=-8/-2
n=+4
| (X²-5x+7)²-(x-2)(x-3)=1 | | x/1=16.7 | | 2-x/3-x=4/9 | | 25n-1+100=52n-1 | | 3x+3-x-2=0 | | -3g+-5=-2 | | 3(x-)+4x=10 | | 2a^2+3=4 | | 2w=(-12) | | 28-18s=-21 | | 3(x-2)+3(4x-1)=0 | | 2a+7=30 | | 3x-7=2*4 | | a/15=100/25 | | 87-w=156 | | 3x-30=3 | | 8x+19=18+8x | | x+25=5x-3 | | x^2+4x+144=0 | | x=10=2x+2 | | 121/2r=21/2 | | 4x+5=x-19 | | 9x-19=11x-2 | | 5x+11=x+47 | | 4x+6=x+33 | | 6x+65=2x+29 | | 3x-7=4+6=4x | | -2(r+14)=-35 | | 4-5r+6-2r=7r-10 | | 35+6x+5+4x+10=180 | | 7x–5=2x | | 4-3(x-2)=2 |