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4+a=5
We move all terms to the left:
4+a-(5)=0
We add all the numbers together, and all the variables
a-1=0
We move all terms containing a to the left, all other terms to the right
a=1
| x+2/x=14 | | 2(3x+4)=3x+20 | | 5x+3-6x=18 | | 4x+5=-39x-7x | | 5x+3-6x=1 | | 6c^2-6c+1=0 | | 3x^2+2x-14=0 | | 12x=5000000 | | 4x*3x=5000000 | | 4x+3x=5000000 | | 5k2=180 | | x=2x=6 | | (4+n)5=10(n+5) | | 4(g-7)=24 | | -6x+4=2x+12 | | 3-n=59 | | (2x-21)+x=180 | | (x+1)(x+12)=(x+5)(x+4) | | 6x+4=2x=24 | | x-27=8+10=45 | | 5x−3=42 | | (10x+7)=40+(7x+1) | | 4c=45-5c | | 48-5b=7b | | 7b+2=2b-33 | | 3(p+3)+2p=10,8 | | 2a-1=20-a | | 9c-2=6c+25 | | 7b+5=17+3b | | 6a+3=13+a | | 45+3f=66 | | 3(p+3)+2p=14,4 |