If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(x+6)+(3x+6)=69
We move all terms to the left:
(x+6)+(3x+6)-(69)=0
We get rid of parentheses
x+3x+6+6-69=0
We add all the numbers together, and all the variables
4x-57=0
We move all terms containing x to the left, all other terms to the right
4x=57
x=57/4
x=14+1/4
| 420=35x4x | | 4(-5y+7)=68 | | 7x-84=180 | | 7x-3+81=180 | | 5x-18=2x+10 | | 5-3x=16x-18 | | -1=5-6x | | 4.3+z=11.2/6.7.8 | | -8x+-1=23 | | 5000=2x+2000 | | 87+m=721 | | 12x-12+4=180 | | 7+81+x=25 | | 0.3333x=6 | | (4x+6)+150=180 | | 34n=301 | | 20x+5=32x+4.25 | | h=0.00635x^2+4.0005x-0.07875 | | -7=4(v+7)+3v | | 3000x=1000000000 | | m-7.50=12.5- | | 7(4w+4)/4=-10 | | -2(2t+1)=-40 | | (u-6)*9=72 | | 5x+20-7x-8=180 | | 3+y=54 | | 28x^2=33x | | 31t=775 | | 4d=556 | | 20q=380 | | b/23=11 | | 5+2x=3+2x |