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2(x-4=20
We move all terms to the left:
2(x-4-(20)=0
| 9x-12=9x+11 | | 20+6m=4+2m | | 4t^2-6t=18 | | 3(x+3(=15 | | (3x+6)+(x+2)=180 | | 10+x=2x-20 | | 10+x=2x-10 | | 62.5=x÷2 | | 10+x=20-2x | | 10+x=2(10-x) | | H=x(500-2x) | | H=x(500-2x,) | | 5y+3y=7 | | 8.9^2=x(x+9.1) | | 8.9^2=x^2X9.1x | | 2x=(2x-6)/2 | | 5(x+3)=2(x-7) | | X•24=a | | X•24=aX= | | 8+x=51 | | 3x+5-8=2×-4+3x | | 2x-5=-1/x | | -7(v+2)+4v+6=7v+10 | | 1/2(12e–11)=5–e | | 2(10–2d)=8(4–d) | | 3(4c+1)=39 | | (n-4)*10=60 | | 8b+2=7b | | (n-1)*2=20 | | 0.6*20=293.15x | | x*7-15=20 | | 2y/5=-10 |