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Simplifying -1 + -1r + 8r = 1 + 6r Combine like terms: -1r + 8r = 7r -1 + 7r = 1 + 6r Solving -1 + 7r = 1 + 6r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-6r' to each side of the equation. -1 + 7r + -6r = 1 + 6r + -6r Combine like terms: 7r + -6r = 1r -1 + 1r = 1 + 6r + -6r Combine like terms: 6r + -6r = 0 -1 + 1r = 1 + 0 -1 + 1r = 1 Add '1' to each side of the equation. -1 + 1 + 1r = 1 + 1 Combine like terms: -1 + 1 = 0 0 + 1r = 1 + 1 1r = 1 + 1 Combine like terms: 1 + 1 = 2 1r = 2 Divide each side by '1'. r = 2 Simplifying r = 2
| 3.4=4.4 | | 4(t+5.7)=65 | | -8-5(-3n+4)=92 | | 13w-14w-12= | | -2/3x=1/4 | | x-6.2=8.8 | | X-1.5=2.3 | | -7(16d+17)= | | (x-3)/(x-4) | | 17+3x=4x-9 | | 17+3=4x-9 | | -2+x=12+x | | -3g-15(18+12g)= | | 10y-6=34 | | 4n-2=-18 | | 5a+10=65 | | y[n]+0.5y[n-1]=x[n] | | 2x/9=-6.5 | | (11x-12)+(2x+10)= | | 12w+2=14 | | 4y-8+y= | | 15+10*8= | | (x-5)+x(5-x)=0 | | 7x/10=6 | | 3x+154=11x-14 | | 13-16r+3-19r= | | (11x-12)-(2x+10)= | | 11x-12-2x+10= | | 5y+1+26=90 | | B-11/2=5/12 | | 5y+1+26=180 | | 1/6(x) |