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Simplifying 2r + 12 = 3r + 8 Reorder the terms: 12 + 2r = 3r + 8 Reorder the terms: 12 + 2r = 8 + 3r Solving 12 + 2r = 8 + 3r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-3r' to each side of the equation. 12 + 2r + -3r = 8 + 3r + -3r Combine like terms: 2r + -3r = -1r 12 + -1r = 8 + 3r + -3r Combine like terms: 3r + -3r = 0 12 + -1r = 8 + 0 12 + -1r = 8 Add '-12' to each side of the equation. 12 + -12 + -1r = 8 + -12 Combine like terms: 12 + -12 = 0 0 + -1r = 8 + -12 -1r = 8 + -12 Combine like terms: 8 + -12 = -4 -1r = -4 Divide each side by '-1'. r = 4 Simplifying r = 4
| -7(-6x+5)=-203 | | -3(1+6x)=-219 | | 4x+9=-18-5x | | 145*200,00/X=8.57 | | 82345372459837593845693745236544578989050390904504478097807890789049457890457890347890452789045789057890234787890043478904789053478907890347890789078905789053789035*578978978785787457890457890590787890457890457890567890578904577247744890478427845789789435 | | 82345372459837593845693745236544578989050390904504478097807890789049457890457890347890452789045789057890234787890043478904789053478907890347890789078905789053789035*578978978785787457890457890590787890457890457890567890578904577247744890478427845789789435 | | 82345372459837593845693745236544578989050390904504478097807890789049457890457890347890452789045789057890234787890043478904789053478907890347890789078905789053789035*578978978785787457890457890590787890457890457890567890578904577247744890478427845789789435 | | 82345372459837593845693745236544578989050390904504478097807890789049457890457890347890452789045789057890234787890043478904789053478907890347890789078905789053789035*578978978785787457890457890590787890457890457890567890578904577247744890478427845789789435 | | 2x^2+7x+3=7 | | y=ln(2x^2-7x) | | -4+4x=7x-19 | | r/5-4=-3 | | l+m=5 | | 20/13=60/c | | 40-2x=7x-5 | | 11x^0= | | 7m+1=15 | | 5(8+d)=45 | | 3+3x+2x=13 | | x=-(8)/2(-4) | | 10/b=15/24 | | 27+y=9 | | -18-6k=8(1+3k) | | -6x+18+5x=30 | | 10r-20=6r | | (140-2y)/2 | | 6x^2*6x^5= | | 9(x-3)=6(x+2) | | 7/21=a/18 | | -10+2x+6x=62 | | 7x-4/5=16 | | 9/15÷4/3 |