If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 8r + -21 = -20 + 7r Reorder the terms: -21 + 8r = -20 + 7r Solving -21 + 8r = -20 + 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. -21 + 8r + -7r = -20 + 7r + -7r Combine like terms: 8r + -7r = 1r -21 + 1r = -20 + 7r + -7r Combine like terms: 7r + -7r = 0 -21 + 1r = -20 + 0 -21 + 1r = -20 Add '21' to each side of the equation. -21 + 21 + 1r = -20 + 21 Combine like terms: -21 + 21 = 0 0 + 1r = -20 + 21 1r = -20 + 21 Combine like terms: -20 + 21 = 1 1r = 1 Divide each side by '1'. r = 1 Simplifying r = 1
| x+2=x-9 | | 2.8*30=x | | n(n+4)+28=(n+1)(n+8) | | 7*25=x | | -3.8s=1.51-3.7s | | 2x-1+x+4=7 | | x-(2/3) | | 13.5y-10+1.5= | | -6cos(2/5x-pi/2) | | 3.5+11.7q=10q-1.6 | | 13*7=x | | a^2+12a+12=0 | | n+2=36 | | 3x+5=-145 | | 2x-10-4x=4(x-74.5) | | -13.2+6.8h=-18.96+5.6h | | 4/100=50/x | | 8r-21=-21+7r | | 55*17=x | | -14.1k+19.22=-16k-13.71+12.41 | | 55*8=x | | 7m-21=9+m | | 8+2(4y-3)=-3(5y-2)+5y | | x/(-17)=-12 | | 7.1p-8=8.7p | | 4=20/x | | 12x+22=6y-5 | | k-2k= | | x+49=50 | | 30/6=x/9 | | -4+12m=11m+13 | | y=2470+130x |