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u/2+13=20
We move all terms to the left:
u/2+13-(20)=0
We add all the numbers together, and all the variables
u/2-7=0
We multiply all the terms by the denominator
u-7*2=0
We add all the numbers together, and all the variables
u-14=0
We move all terms containing u to the left, all other terms to the right
u=14
| 4z+6=46-4z | | x/19=12 | | 73=9x | | F(x)=100-10x | | 4z+6=464z | | 2m+7=1 | | 1.5=-70x+800 | | 25=7+4x | | 210y=-70+800 | | 4s+7=6s-1 | | 3x+x•x=70 | | 210=-70x+800 | | 3x+(x•x)=70 | | 288=20-w | | 3x+20+(x•x)=90 | | 90y=-70+800 | | 7(6x-2)+4=116 | | 10^x=209 | | 7(6x-2)+4=117 | | 90=-70x+800 | | 7(6x-2)+4=115 | | 7(6x-2)+4=114 | | 7(6x-2)+4=113 | | 7(6x-2)+4=112 | | 3x+20+x•x=90 | | 7(4x-2)+4=112 | | 7(4x-2)+4=107 | | (1/32)=2^(3x-8) | | 7(4x-2)+4=103 | | 7(3x-2)+4=103 | | 7(3x-2)+4=101 | | 3x+20+5x+20+4x=180 |