If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2(2x+x)=342
We move all terms to the left:
2(2x+x)-(342)=0
We add all the numbers together, and all the variables
2(+3x)-342=0
We multiply parentheses
6x-342=0
We move all terms containing x to the left, all other terms to the right
6x=342
x=342/6
x=57
| 7x+9x+4=180 | | 5c-7(2-c)=34 | | 4z÷9-7=6 | | 7c+2(5-c)=15 | | 5x+4/7=-3+12/3 | | 18+g/3=21 | | 6(2c-5)=2(5c+3) | | 12+r5/2=-18 | | 4(26-c)=156 | | t/12-13=-10.5 | | -8s+2=34 | | q/8-9=-8 | | x+(1/3)=(4/9)x= | | g/6+6=12 | | 10y-2=6y+30 | | 3x+4=6(5x-5)+88 | | x+9/4=1 | | 0=4-2z | | r/2-10=-16 | | 213x+24=7 | | 3y-8=-32 | | 3-8h=-21 | | 2r −10=−6 | | 4n=20/60 | | 6x+15-2x=28 | | 35=y+28 | | -5j-8=12 | | 9/m+6=10 | | 4(2y+9)-7y=25 | | 9m +6=10 | | m-27/6-5m-15/5=1 | | 256+81=x |