If it's not what You are looking for type in the equation solver your own equation and let us solve it.
20+k=35
We move all terms to the left:
20+k-(35)=0
We add all the numbers together, and all the variables
k-15=0
We move all terms containing k to the left, all other terms to the right
k=15
| 14=2/v+6 | | 7-(a+3)=12 | | 15=0.7/x | | 3a*4=24 | | 2(x-4)-4x=3(x-3)+6 | | x2=-12 | | 3x+10=308 | | 4x^2+17x+120=0 | | x/36-3=124 | | -6(-0)+7=x | | 0.5n4.5=0.5n4, | | -7(u+2)=-4u-32 | | (4x+3)+(8x-5)=22 | | -5u+11=-8(u+2) | | -23=5(6r+3) | | X^3-13x^2+144=0 | | 7a+a+a=360 | | x^2=-2+2 | | -1+-4/a=-7 | | -6w-33=-3(w+3) | | 2s+4=5(-4s-2s) | | 11t+13=7t+41= | | 120+2x+3x=360 | | 8/x+12=11 | | 200+3x+x=360 | | 280+2x=360 | | 11.8-2.8t=1 | | -9(x-4)=-7x+40 | | 114=-7r+9 | | 4(2x+0,9)=-4,4 | | 14=y/2+6 | | 12x+26=4x |