If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3x+9x+12=180
We move all terms to the left:
3x+9x+12-(180)=0
We add all the numbers together, and all the variables
12x-168=0
We move all terms containing x to the left, all other terms to the right
12x=168
x=168/12
x=14
| 0=-1+b/16 | | 0=6w-24 | | 9g=3(−4+5g | | 2(n-5)-2=9n+2 | | 0=4w-40 | | 5(x-2)=2x-4+3x | | 10=2/5x+3=4x+30 | | 1+5b-4-4=18-4 | | 40=3w-90 | | -3(1)/(4)x+25=2(1)/(4)x-13(1)/(2) | | 7-11=6m | | 1+2(7)+3x=21 | | 6(x-3)=4x-6 | | 9=6x-8x-3 | | a+13/9=20/6 | | 1+2(3)+3x=25 | | 11y=10y(y+7) | | 90(.80)+x(.20)=76 | | 7a-3a+a=9-14 | | 16=9u-6+7u | | A=4/(5x+20)-7 | | 12v-14=782 | | -7|4+v|=-56 | | -3.25x+25=2.25-13.5 | | 6x-2=3x2 | | 216=24n | | -3¼+25=2¼x-13½ | | -4(2x-1)+6x=3x-6 | | 3n^2+39n+126=0 | | -6(2x-3)+2x=23 | | 9x+17+35=169 | | 3455/x=5 |