If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x+x+5+16=90
We move all terms to the left:
x+x+5+16-(90)=0
We add all the numbers together, and all the variables
2x-69=0
We move all terms containing x to the left, all other terms to the right
2x=69
x=69/2
x=34+1/2
| 28+b=7 | | 9/p=12/20 | | 12(x-2)+3x=1/2(2x+6)+1 | | 5/6x=5/6(216) | | b+2-10b=-3b-4-6 | | 8x-3-3=+3x+15-2x | | 5(e-2)-3=-4 | | 12y=25 | | 8x-3-3=+3x15-2x | | 5/2e-7=1/2e+4 | | –10+7f=3f+10 | | 2x+4=8x+14 | | 6w+26=180 | | –9s−10=–7s+10 | | d+6.9=11.4 | | –3n+5n=2n | | (10x-8)=82 | | 3(x−4)+2x=5 | | -4(2t-3)+5t=7t-9 | | 6x+9-12x=-13-x | | p^2+2p-120=0 | | 3(x−4)+2x=5. | | (y=8)y-3 | | y=8y-3 | | 3*1.25^{2x-3}+9=500 | | 5x-(-13)=513 | | 7^x-2+7=0 | | t–15=–28 | | 3/4x+5(2x-2)=1/2x+72 | | 3x–12=14+5x | | F(x)=2x2-76x50 | | 4^(3k+2)=1/64 |