If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X+13+X+13=180
We move all terms to the left:
X+13+X+13-(180)=0
We add all the numbers together, and all the variables
2X-154=0
We move all terms containing X to the left, all other terms to the right
2X=154
X=154/2
X=77
| -3(6-4x)=5x-18 | | 14x+22=11x+52 | | r-11=-19 | | 45+2x=21 | | -84+10x-3=21x+4 | | F(—1)=4x+11 | | 5-6x=6+2x | | 3(7x-4)-5(2x-1)=6 | | 2(8x-20)=8 | | 7976=8p+98 | | 2(x+6)=4(x+6) | | 2r^2-34=6 | | 5x-15=14-7x-8x-28-3x+2=11-8x+56+4x-6+5x+8-2x | | 2x+16=4+5 | | 15x-5(3x+2)=0 | | 90xx=400 | | 2n/5=39 | | t+60/27=4 | | -14.4=6n | | X^2-6x+x2=0 | | 640=20(z-963) | | 20+9j=11 | | w/3-18=-19 | | 140=5(d+21) | | a/2+16=14 | | (2x+1)^2-(x+13)=3x2-2x+2 | | -7x-20=-3x2 | | 17f-3=-20 | | 8x+6=-4x+18 | | 12x2+5x-3=0 | | 14(g-982)=42 | | w-0.15=0.25 |