If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-12x+8+3x+12-x=-40
We move all terms to the left:
-12x+8+3x+12-x-(-40)=0
We add all the numbers together, and all the variables
-10x+60=0
We move all terms containing x to the left, all other terms to the right
-10x=-60
x=-60/-10
x=+6
| 0.91x=23933 | | 2.3x2.3=5.29+8.9 | | 4(m+5)-7=13-6m | | 0.91x=2933 | | 7x+12=−3x+2 | | -2y=-25 | | 8(-5x-5)=-320 | | 7x-32=2/3(30x+18)-17x | | 5x+2=1+3 | | 2x+24=19 | | 6u+18=42 | | 6x-5+8x=23 | | 0.67x=1.2998 | | 7+10g=-5+6g | | 30=-6+9(x+7) | | -5.9+17.1x=332.68 | | (4x+8)+(2x-7=) | | 450=10x-250 | | n2-18=-22 | | -3.6c-3.49=-5.14+5.9-3.1c | | 5x-9=6x+23 | | 100=2t+22 | | -9b+10=-10-4b-10 | | x-21/5x=3 | | 4)4(-1+m)=-56 | | (x+9)*9=15^2 | | -5g-10=3+3-g | | 3x+4x+5=2x+7 | | p+(-24)=-18 | | 18s+3/4=336 | | 1-3h+9=10-h | | 2(x-4)+8x=30 |