If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-12=x-30
We move all terms to the left:
-12-(x-30)=0
We get rid of parentheses
-x+30-12=0
We add all the numbers together, and all the variables
-1x+18=0
We move all terms containing x to the left, all other terms to the right
-x=-18
x=-18/-1
x=+18
| 8(2-3x)=-176 | | 0.1x^2=3x^2-2.5 | | 7/3(1/2x-10/3)=-35/3-1/2 | | X+10+4=-2x | | -3y−2=7 | | 7x+-10=16 | | -10k+9k-4=-5 | | 40p-15=-145+6p | | 3x2-17x-6=0 | | 6u+1=3(2u-5) | | (48/x)+2x=22 | | (x-3)^5/2=32 | | 2/3x-5/4=-11/12 | | 4x-4x=36+6 | | 6^y=7y^2 | | 4-3x=-5x+14 | | 90=(x+13)+x | | 7×x+4=70 | | 15r2+37r-8=0 | | 3x-x+4=4(2x+1)+1 | | 2v−6=4 | | x/5=-5.1 | | 6x-6=9x-23 | | 1/6x=1/9 | | 1/4n+1/2=9/28 | | 374=22w | | 3/5g-1/3=-3/10 | | p-11=5p+3p-8 | | 6=6+-2n | | 4(3x-6=3(4x-3) | | 36x^2+60x+21=0 | | 2(9+y)=4(2y+1)-(7-y) |