If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4x+2x=78
We move all terms to the left:
4x+2x-(78)=0
We add all the numbers together, and all the variables
6x-78=0
We move all terms containing x to the left, all other terms to the right
6x=78
x=78/6
x=13
| 8x+5-2x=2x+9 | | 2(3+3x)=32 | | -42+3x=18+6x | | (4/15)m+(1/5)=1 | | -42+32x=18+6x | | 4x-4=4() | | 13=9+x/2 | | R(8.3)r=10.2 | | -11x-54=126-x | | -11x-54=6x+35 | | 0.5x-3=3.5x+4 | | 16x^2-7=137 | | 24+2x=5x-36 | | -2b+2=-b-2(-6-2b | | 6g-2(2-6)=4(2g-1) | | 16x^2-7=137 | | 3t+21=7t | | 2b+b-10=13 | | 30+5k+2k=100 | | -10=-10(2m–3)+7m | | 3x+2+5x+7+2x+21=180 | | 16x-16=2() | | 3•16=-9+x | | 3(m-2)=9m | | 10-6(v+1)=-94 | | 6/180=8/m | | |x-4|=15 | | -3(x-5)=8x+15-5x | | 10/6=4/s+1 | | 4-49z=0 | | 7x+5x=27 | | -2y-4y+13=7y |