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(N-4)=0
We get rid of parentheses
N-4=0
We move all terms containing N to the left, all other terms to the right
N=4
| 78=25-x | | 3s+4=2s | | 1+2x/x=x^2 | | 2x^2+2x=5x^2+4 | | 3k-4=4k | | -z=-3z+10 | | 8m=5m+ | | (z-31/2)/2=41/2 | | (z-31/2)÷2=41/2 | | 5-1/3x=11 | | (1,41*x)^2/10=x^2 | | 4+6x=0 | | 2x-5(x-1)=x+11-2x | | 1/7(7n-14)=30-3n | | 6(x-1)=-4x+9 | | h=-16(0)^2+1053 | | 3v+5+2v=5(2-4) | | 30k+20k=80+120 | | n÷3=45 | | 5x+4/3(x+15)=3 | | 2√2x-12-√2x-3=3 | | 3x–2–4(x+1)=–x–6 | | 1/4z=7/8+1/8z | | 1/8=2/5•x | | x^2+x-8=-2x+2 | | 4x^2-5x=8 | | 5k+7=3 | | -6-4.8x=-5x-4.8 | | 7x/2+5=6x | | 4x^+6=14 | | .10(x+3)=0.25x | | x/1,41x=0 |