If it's not what You are looking for type in the equation solver your own equation and let us solve it.
100+65+x=180
We move all terms to the left:
100+65+x-(180)=0
We add all the numbers together, and all the variables
x-15=0
We move all terms containing x to the left, all other terms to the right
x=15
| 2k-6=2k+6 | | 17=j/3+15 | | 2(x-1)=-27 | | 6x+72+19x+46=180 | | x^2+23x+150=0 | | –8+9g=8g | | 2x+18+6x-18=90 | | h/6-5=2 | | 19x+46+6x+72=180 | | χ²-8x+16=1 | | (5n+25)=(3n+27) | | 20x+125=15x-25 | | 2d^2+14d-36=0 | | -5x+4=-2x=16 | | 7t-78=70 | | -8h-10=-7h | | A=5x+12B=2x+24 | | 2w+7=w | | 2w+7=2 | | 4.7x=-3.2 | | 2x+90+12=180 | | (y+9)=115 | | 8c=7c+7 | | 20=15.25-0.09x | | 9/4x*2-13/7x+1/16=0 | | w-29=67 | | (y+9)=15 | | -1+3x=3x+4 | | 3x−3(6−2x)=27 | | χ²-2=2-3x | | 4x-(3x+2)=-8x+9x-6+4 | | (x+5)+(2x+3)=0 |