If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(x+30)+(2x)=90
We move all terms to the left:
(x+30)+(2x)-(90)=0
We add all the numbers together, and all the variables
2x+(x+30)-90=0
We get rid of parentheses
2x+x+30-90=0
We add all the numbers together, and all the variables
3x-60=0
We move all terms containing x to the left, all other terms to the right
3x=60
x=60/3
x=20
| 3.5/7.2=x/15.84 | | 8x+1=85 | | 16.6=b/9 | | 2/3x=2+1÷3 | | -7-12d=-43 | | 26x+15=-8x2 | | X+14+2x+1=180 | | 19x-13+6x-7=108 | | 66=w-1.2 | | 5x-2+2x+8=360 | | 30+5y=2 | | 4x-3=-3x+5 | | x^{2}-9x-10=0 | | 2.8=4=t | | 63+x+12=90 | | x/12-3=12 | | 6|x+11|=72 | | 4(-4x+8)=224 | | 80x+0.22=100x+0.12 | | 78=(y+95)/2 | | X-9=7c-9 | | r/17+10=10 | | 11.2-x=-38.6 | | 8y^2+y=15 | | -5+8c=43 | | 4t^2-3t-5=3.2 | | 140+5x+20=180 | | 3(2x=7)=39 | | 3(9x-41)=3(3x-5) | | x(x+2)=(x-3)2 | | X-(.35x)=156,000 | | 6(x–5)=90 |