If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x+2x+2x-10=90
We move all terms to the left:
x+2x+2x-10-(90)=0
We add all the numbers together, and all the variables
5x-100=0
We move all terms containing x to the left, all other terms to the right
5x=100
x=100/5
x=20
| 140+3m=220-5 | | 8−3u=2 | | 5x+17≥=37 | | 4w+7=-15+7w | | 6=c−695 | | 5(x-2x)-7(1-x)=10 | | 6x-2(x-1)=16-x | | 5x-8=3(x-12) | | n3+ 8=10 | | 14x+2=12x+2 | | 2x+112=7x-8 | | –8–2d+2=4 | | 28=y/2+11 | | X/2+2=1/4x+-6 | | 20=3g+11 | | 1/2(6x+4)+4x=26 | | -0,557x^2+0,577x+2=0 | | 2(4y-60=36 | | X2+8x+12= | | -0,546x^2+0,577x+2=0 | | 3=-3x+30x | | 2/3r=54 | | −4x-6=-2x+8 | | 2-2x=2-4x | | 6x-20=x+40 | | -4/5x=2/3 | | −12=−2(4x+2) | | 2=2c−10 | | 4-(5-x)+3x=20 | | 12y-8y-13=45.76. | | x-8;x=14 | | 5s+40=160 |