If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X+13+2X+20=180
We move all terms to the left:
X+13+2X+20-(180)=0
We add all the numbers together, and all the variables
3X-147=0
We move all terms containing X to the left, all other terms to the right
3X=147
X=147/3
X=49
| v+5/(–8)=2 | | 4x+3x-8=12x+18 | | 2.56/(2x+4.2)=0.32 | | q+q+5q-6q=9 | | 10x-2+9x-46=180 | | 4/6x+20=9/6x | | 2^2x-9(2^x)+8=0 | | -11=-3+4w | | 2x+20.2=90 | | m^2+18m+46=-19 | | 10x+24=7x | | 10r-2r+4r-10r=12 | | 2x=8x-78 | | -5+4y=-57 | | w+4.94=8.86 | | 2x-8=8x-68 | | 6w+-17w-7w=18 | | 2x-45=3x-72 | | w-8.69=9.8 | | (4y+5)+(2y+35)=180 | | (4y+5)+(2y+35)=90 | | 7.2x-8.3=13 | | 9f/5=27 | | v+2.32=6.84 | | 7.3x-8.3=13 | | 5/2x-1=3/x+1 | | v-6.4=7.9 | | 3x-93=12 | | 6x-5=4x-13 | | 9m+6m-12m=6 | | y2=^1814 | | 7x-5=10x+80 |