If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(x)+(x-15)=90
We move all terms to the left:
(x)+(x-15)-(90)=0
We get rid of parentheses
x+x-15-90=0
We add all the numbers together, and all the variables
2x-105=0
We move all terms containing x to the left, all other terms to the right
2x=105
x=105/2
x=52+1/2
| 6x+2=82+60 | | 3/v=54/13 | | -1/9-2+2/3x=3 | | x+61=52+76 | | (4x+20)+(6x+50)=90 | | 2(y+6)=-8y | | -1.1+x/5=-13.6 | | 5=4a-7=-11 | | 1x-5=3x-1 | | 9m+12=2m | | (x)+(2x-15)=90 | | 0.30(18)+0.005x=0.15(6+x) | | x-8=3x+2) | | -356=n/29-373 | | (x)+(2x+15)=90 | | (x)+(2x+15)=29 | | 4.2/54/7=28/9/d | | -4d=2(3+d)=-14 | | (4x+20)+(6x+50)=180 | | -2b+6=3b-9 | | (4c-2)-5c-2)=9 | | 0.9=27x | | y-11+2=-16 | | 3n-5=18(6+5n) | | 41.67=60a | | -88+(-5q)=-913 | | 19x-2(5x-28)=-56 | | 8.1=1/2k180^2 | | 8x+14=2x+28 | | y/8+(-90)=-74 | | n+3(n-2)=10. | | 2x+10+x+10=6x-13 |