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Simplifying 8r + 8 + -3r = 7r Reorder the terms: 8 + 8r + -3r = 7r Combine like terms: 8r + -3r = 5r 8 + 5r = 7r Solving 8 + 5r = 7r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-7r' to each side of the equation. 8 + 5r + -7r = 7r + -7r Combine like terms: 5r + -7r = -2r 8 + -2r = 7r + -7r Combine like terms: 7r + -7r = 0 8 + -2r = 0 Add '-8' to each side of the equation. 8 + -8 + -2r = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -2r = 0 + -8 -2r = 0 + -8 Combine like terms: 0 + -8 = -8 -2r = -8 Divide each side by '-2'. r = 4 Simplifying r = 4
| 6p(5p)= | | 10+15h=-5 | | 0.4(r+6)=0.63 | | 7d-d-6d-7-5d=0 | | X(y)=125 | | 5x=12x+14 | | 2n(1)= | | g(-6m)=-6m^2+5(-6m) | | -7+b-4=b-12 | | 9x+26+7x-17=2x+(3x)+5x | | 2(2.5+8.5)=-28.5 | | 7x^2-10=11 | | 1.5-2=b | | 200=6t+.75t^2 | | 4x+84=x+36 | | 0=18x^2+9+0 | | -X-y+2z=-13 | | 0=12x^2+9x+4 | | -3x+15y=5 | | 12x+9y=594 | | 588=6.50x+8.25y | | B+15=8b+8 | | 15=0.2(2+0.1) | | 3a+5=-2 | | x^2-16x+y^2-16y+103=0 | | 0=18x^2+9 | | 4x^3-108x^2+2200=0 | | t^2+4t=200 | | -a-3=2-a | | 5a+9+8=32 | | ab=b+d | | C(x)=0.64x^2+0.13x+40 |