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Simplifying 5 + -5(3r + -3) = 3r + 2 Reorder the terms: 5 + -5(-3 + 3r) = 3r + 2 5 + (-3 * -5 + 3r * -5) = 3r + 2 5 + (15 + -15r) = 3r + 2 Combine like terms: 5 + 15 = 20 20 + -15r = 3r + 2 Reorder the terms: 20 + -15r = 2 + 3r Solving 20 + -15r = 2 + 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. 20 + -15r + -3r = 2 + 3r + -3r Combine like terms: -15r + -3r = -18r 20 + -18r = 2 + 3r + -3r Combine like terms: 3r + -3r = 0 20 + -18r = 2 + 0 20 + -18r = 2 Add '-20' to each side of the equation. 20 + -20 + -18r = 2 + -20 Combine like terms: 20 + -20 = 0 0 + -18r = 2 + -20 -18r = 2 + -20 Combine like terms: 2 + -20 = -18 -18r = -18 Divide each side by '-18'. r = 1 Simplifying r = 1
| 2x+4y=20The | | 5n+34=-2(1-6a) | | 0.12x+0.06(20-x)=36 | | 2x^2+31=5x+7 | | 2-3+4y=16 | | -4*k+17=1 | | x^2(x^2-1)=20 | | x+2(x-6)=18 | | 7x+4=7(x-9) | | 0=.50x-4 | | 1.75m/1.75=26.00/1.75 | | 5=(-3x+4)+x | | (100+4z)2= | | 7(2x+5)=10x+47 | | -4+4a=-10+6a | | 2=2(y-1)-y | | 10(x-2)+15-4=8x+7-4 | | 1.50m/1.50=26.00/1.50 | | p-3=-(0.5*p+2) | | r(40)=20+.75x | | -n-3(10-10n)= | | 75=3(6-n-5) | | 12-6b=36 | | 1.50m/1.50=21.00/1.50 | | 3.5x=-1.20 | | 3x^2-60x-100=0 | | (8-z)(4z+3)=0 | | -3zy=21 | | 2w+2(w+4.25)=124.5 | | 900x=825 | | p-3=0.5*p+2 | | 42+x+x+77+65=180 |