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2(7p+126)=189

We move all terms to the left:

2(7p+126)-(189)=0

We multiply parentheses

14p+252-189=0

We add all the numbers together, and all the variables

14p+63=0

We move all terms containing p to the left, all other terms to the right

14p=-63

p=-63/14

p=-4+1/2

| 5x^2/3+61=121 | | n/10-2.3=4.5 | | 14/28=33/x | | 10(1-10u)=9(1-11u) | | 1.5x^2-4.5x+242=0 | | 1.5x^2-3x+242=0 | | 4.2x+x=140000 | | G(x)=-0.01x^2+x+68 | | 4x-15+12x+5=180 | | 55x^2-113x+55=0 | | 4x2+12x+44=0 | | -16x^2+48x+10=39 | | 0.62x+0.62=x+0.25 | | 7+7r=49 | | 100=2.16*t^2-20.53*t+54 | | 100=2.16*t^2 | | 8x2+72x+162=0 | | X^2-4x-183=0 | | 14n=12 | | (9+x)^2+(x+2)^2=17^2 | | 3x+10+x-30+4x-40=360 | | 1-d/3=+2d/9 | | 9a-a=-15-2a | | 1.5x=22.67 | | 9+3z=25-z | | X-8=32+5x | | 5/2=x-3/2 | | 2.2x=100 | | 2^4x+1=8^x+2 | | -22=6-4w | | x14.25=17.35 | | y=3921-10(74) |

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