If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x+(x+6)+3(x+6)=149
We move all terms to the left:
x+(x+6)+3(x+6)-(149)=0
We multiply parentheses
x+(x+6)+3x+18-149=0
We get rid of parentheses
x+x+3x+6+18-149=0
We add all the numbers together, and all the variables
5x-125=0
We move all terms containing x to the left, all other terms to the right
5x=125
x=125/5
x=25
| 28=34-31w | | 2/3(6x+9)-8=1 | | 28=34-11w | | 28=34-5w | | 200p-5000/200p=3 | | -12+l=18 | | 9x+x=9x-4 | | 28=34-4w | | 5n-8(-2n-3)=-81 | | 7y-2=20y+115 | | 20x=-5(2x-6) | | -7(1+7x)=-399 | | 1/210h=40 | | 100=7=4x+10 | | -4x+3(2x-5)=-16 | | 2d=6+5d | | 7/4x=-7/5 | | 6z^2+1=2z^2 | | 2=100=7=4x+10 | | 14x^2=28x | | 1-(5/6)^n=0.9 | | 10y-9=41 | | (6x+1)=(6x-9) | | 5x-4=11x-2=90x | | 9x*x-6x+1=0 | | 11x+22=9x-3 | | 122x+135(x-30)=500 | | 10x+2=15x-7 | | 5x^2=17 | | 7x+5=77 | | 9•75-5x=25 | | 7×+2=x+20 |