If it's not what You are looking for type in the equation solver your own equation and let us solve it.
12-3m-5=25
We move all terms to the left:
12-3m-5-(25)=0
We add all the numbers together, and all the variables
-3m-18=0
We move all terms containing m to the left, all other terms to the right
-3m=18
m=18/-3
m=-6
| -12-9v=-7v+4 | | 5(a-9)=5a-45 | | 1/7t=1 | | -4-a+6a-7=2×3-14 | | 9+x-3=6+x | | -9.8f-6.3=-20 | | 12+x=2(x+3) | | -0,5-1+y+2,6=-8 | | 15/4+1/7t=4 | | (x-5)+(2x-15)=148 | | 4+2x+3=4(3+x) | | 6+8r-5=9r+5-3r | | x=1981 | | 5/4x+8/2=4/3 | | 7(x-3)=6(x-3)=-2 | | x+10=255/255x-10 | | −52(6 | | 6x-3(x+1)=18 | | 2c-73=5 | | −52(6 | | −52(6 | | 2/9x=3/4 | | M=-4=2m | | 2(7+x)=8-x | | 8(3x+6)+5x-2=29x+55 | | (14)^x=256 | | 2(x=4)+9=5x-1 | | 2.6z-12+3.2z=4.6 | | 8x-7+9x=10 | | 1=6/5x+8 | | t-5.06=1.04 | | t-$5.06=$1.04 |