If it's not what You are looking for type in the equation solver your own equation and let us solve it.
30-n=10
We move all terms to the left:
30-n-(10)=0
We add all the numbers together, and all the variables
-1n+20=0
We move all terms containing n to the left, all other terms to the right
-n=-20
n=-20/-1
n=+20
| 9x+5=729 | | 34v-24v+6v-12v=16 | | 0.4-1.2=0.15g+0.8 | | 2x(5x−3)=14 | | x6-8=-4x7 | | Y=2/3x- | | 12y=2y+40 | | b/413=14 | | (x-15)(x)=1000 | | 7x+5+9x+-5=180 | | 15+6v-13=-19+3v | | -10x-128=11x+208 | | y-(4y+5)=-14 | | -52x8=0 | | 3(m−5)=9 | | -2x-6=2-2(x+3) | | 2x-1÷5=3 | | 6x+10+5x28=180 | | 4(-5-b)=1/3(b+16) | | √h^2=√225 | | 8(n+2)=2(n-7) | | 12x+5x=14 | | 5x+5x+7+x=50 | | 11x-9=-31 | | 3x=x-95 | | 3x18=3(x+6) | | 2s+6=6+2s | | 4x-19+4x-19=3x-7 | | 3x-6=-2x+34 | | 5W=6w+19 | | 6(v+1)=-4(4v-3)+6v | | 23z-20z-2z+8=16 |