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Simplifying 3x + 4 + (2r + -3) + 8r = 0 Reorder the terms: 3x + 4 + (-3 + 2r) + 8r = 0 Remove parenthesis around (-3 + 2r) 3x + 4 + -3 + 2r + 8r = 0 Reorder the terms: 4 + -3 + 2r + 8r + 3x = 0 Combine like terms: 4 + -3 = 1 1 + 2r + 8r + 3x = 0 Combine like terms: 2r + 8r = 10r 1 + 10r + 3x = 0 Solving 1 + 10r + 3x = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + 10r + -1 + 3x = 0 + -1 Reorder the terms: 1 + -1 + 10r + 3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 10r + 3x = 0 + -1 10r + 3x = 0 + -1 Combine like terms: 0 + -1 = -1 10r + 3x = -1 Add '-3x' to each side of the equation. 10r + 3x + -3x = -1 + -3x Combine like terms: 3x + -3x = 0 10r + 0 = -1 + -3x 10r = -1 + -3x Divide each side by '10'. r = -0.1 + -0.3x Simplifying r = -0.1 + -0.3x
| 13x+8=7+17 | | 2x^2-8x-36=0 | | 0.3x-1x= | | 2x^2-8y-36=0 | | -7+-7= | | x^4-14x^3+71x^2-154x+120=0 | | f(x)=6x^2-11x-35 | | x-(y+6)=76 | | 0=150x-x^2 | | 2log[5](x)=log[5](x+15)+log[5](4) | | 5x+11y=6 | | 3.125e+20= | | (3x^3)+(5x^2)=30x+50 | | -6x^2+9x+4=0 | | 200,000,000,000,000,000,000,000/7000000000= | | x(3x+1)(x+1)=120 | | 200,000,000,000,000,000,000,000/7000000000 | | 2(x^2+8x-768)=0 | | 1000000000000000000000000*.2= | | 10x+8=8x+15 | | 1000000000000000000000*.2= | | 10b^2-40b=0 | | 40+8t=-36+12t | | x+9y=16 | | x^2-5+33=7x-3 | | 12/2=78/x= | | 8x+24=80 | | 0.08-0.02(x+1)=-0.05(3-x) | | 24/d=18.4/6 | | x+x*3=164 | | x+0.5=30 | | 40(x+0.5)=120 |