If it's not what You are looking for type in the equation solver your own equation and let us solve it.
12t+6t=4
We move all terms to the left:
12t+6t-(4)=0
We add all the numbers together, and all the variables
18t-4=0
We move all terms containing t to the left, all other terms to the right
18t=4
t=4/18
t=2/9
| 31x+21x=100 | | 2r+6/8=5r-30/5 | | -17=r/12 | | x-1/18=3/8 | | x-1/18=8/3 | | 2(0.5x−3)=0 | | x-5.4=1/5 | | 18=3(.25=+y) | | 12x/5=6 | | x=5.4=1/5 | | x-5/18=7/6 | | w=36-3w | | 17u=72+8u | | 1/2=a/8= | | -0.5x+11=-2.9 | | 18=3(.25+y) | | 18=3(.25=y) | | (2x-6)÷12=0 | | -15n+10=-13n-10 | | 9(x-7=9 | | 45x=120€2 | | 18=9.25+y | | x-6=-16-x | | 10(x+5)+74=0 | | (x-3)^3-16=0 | | 6k-5=-k+9 | | 2(1/4x)+2x=130 | | 6k-5=-k-9 | | 8x2-x+2=0 | | 2x2+6x-8=0 | | 0.01x^2-x-200=0 | | 1+6x-6x=x-7 |