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Simplifying 3(2r + -1) * 5 = 5(r + 1) Reorder the terms: 3(-1 + 2r) * 5 = 5(r + 1) Reorder the terms for easier multiplication: 3 * 5(-1 + 2r) = 5(r + 1) Multiply 3 * 5 15(-1 + 2r) = 5(r + 1) (-1 * 15 + 2r * 15) = 5(r + 1) (-15 + 30r) = 5(r + 1) Reorder the terms: -15 + 30r = 5(1 + r) -15 + 30r = (1 * 5 + r * 5) -15 + 30r = (5 + 5r) Solving -15 + 30r = 5 + 5r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-5r' to each side of the equation. -15 + 30r + -5r = 5 + 5r + -5r Combine like terms: 30r + -5r = 25r -15 + 25r = 5 + 5r + -5r Combine like terms: 5r + -5r = 0 -15 + 25r = 5 + 0 -15 + 25r = 5 Add '15' to each side of the equation. -15 + 15 + 25r = 5 + 15 Combine like terms: -15 + 15 = 0 0 + 25r = 5 + 15 25r = 5 + 15 Combine like terms: 5 + 15 = 20 25r = 20 Divide each side by '25'. r = 0.8 Simplifying r = 0.8
| 4.75+3=21 | | 31=3(9d-4) | | x=5+6y | | -3(t-2)+6t=8t-9 | | 15+1=5 | | -(7-k)+3k= | | 4x+6y=-18 | | 3x+40=2x+40 | | f(x)=3x^2-6x^3-5x^2-8500 | | (9y+22)(5y+24)=0 | | 35x=75 | | x-4-1= | | 2(3a+4)=3a-4 | | 45z+100=347.50 | | -(-6+1)+8= | | 96a^2-150b^2=0 | | 7[6-(7x-3)]+6x=0 | | 9k^2-16m^2=0 | | -22=y-7 | | r^4+r^2= | | 7x^2-13x+10=4 | | 6x-41+2x=95 | | 6x+37=19x-31 | | 14-(-3)+8-25x=-45 | | -4(x+2)+3=-5 | | 16+7=10 | | 36+2u=-28 | | -61+3x+x=51 | | -2x^2+22x-48=0 | | -1+2x=2x+6 | | 8+3x-4x^2= | | Gcf=3x+15 |