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Simplifying 7(15r + 17) = 8(12r + 20) + 8r Reorder the terms: 7(17 + 15r) = 8(12r + 20) + 8r (17 * 7 + 15r * 7) = 8(12r + 20) + 8r (119 + 105r) = 8(12r + 20) + 8r Reorder the terms: 119 + 105r = 8(20 + 12r) + 8r 119 + 105r = (20 * 8 + 12r * 8) + 8r 119 + 105r = (160 + 96r) + 8r Combine like terms: 96r + 8r = 104r 119 + 105r = 160 + 104r Solving 119 + 105r = 160 + 104r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-104r' to each side of the equation. 119 + 105r + -104r = 160 + 104r + -104r Combine like terms: 105r + -104r = 1r 119 + 1r = 160 + 104r + -104r Combine like terms: 104r + -104r = 0 119 + 1r = 160 + 0 119 + 1r = 160 Add '-119' to each side of the equation. 119 + -119 + 1r = 160 + -119 Combine like terms: 119 + -119 = 0 0 + 1r = 160 + -119 1r = 160 + -119 Combine like terms: 160 + -119 = 41 1r = 41 Divide each side by '1'. r = 41 Simplifying r = 41
| (16k^4)^5/4 | | 2x-x+3=6 | | c-2=c | | 9/5k=63 | | 4(3s+2)=92 | | n^2+2n-11=0 | | 18/4v=-18 | | 2(18c+20)=20c-2c-14 | | 9-4x-x=0 | | Log*-4x-log*9=2 | | 3m-2m-9=27 | | 6+9+19s=9(2s+3)-3 | | 200=120(8m+10m) | | (a+2)(a+5)= | | 9.5d+13.42=8.2d+8.09 | | 2(18)-24= | | -4.2n-1.5+12.4n=16.54+12.6n | | 2/3m-2/3=1-(1/2-5/8m) | | 120=200(8m+10m) | | X-3/16=4 | | 0=-2x^2+2 | | 2(18)= | | 2=m(-1)+2 | | y^2+3=67 | | (8x-9)+x=90 | | A^2-a+12=0 | | 9a^2-6=318 | | y/x=0.6 | | 120=10m-200(8+m) | | -5600+200m=5600 | | 2/3(10-x)=40 | | 3x+8=3x+4 |