If it's not what You are looking for type in the equation solver your own equation and let us solve it.
105+45+x=180
We move all terms to the left:
105+45+x-(180)=0
We add all the numbers together, and all the variables
x-30=0
We move all terms containing x to the left, all other terms to the right
x=30
| -7.2=r/1.6 | | 8(x-2)-5=2×+6(-4+x) | | 5(8−8x2)=8 | | 7n+12=5(14n+24) | | x/4=-2.2 | | L+w=400 | | m+64=100 | | x2−28=0 | | -2(5t-2)+3t=6t-3 | | -2(6a-1)=a+40 | | 3.4+x=60 | | 17=4^x+1 | | 22=x(2x-7) | | r=2(42÷)•(r+1) | | 2y+12=10 | | 3x-5(x+2)=-22 | | 7x+5+5x+10+45=180 | | 2n/3+3-n/5=n-5 | | -2x+8-5x=20 | | 35=9v-2v | | 6(3y-1)-2(3y)=3 | | 1/4x-4=1/2x-7 | | 1/4x-2=1/2x-7 | | 4(19+x)=12x | | 7+3y/4=-y/8 | | 12^√(x+3)=144 | | 40+60+7x+3=180 | | 35x70=70x35 | | 96=-8(2r+4) | | 36+3x=x+5(4x-8) | | 8(10^9x)=20 | | 7(1-2x)=31-8x |