If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -21 = -3 + 9r Solving -21 = -3 + 9r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-9r' to each side of the equation. -21 + -9r = -3 + 9r + -9r Combine like terms: 9r + -9r = 0 -21 + -9r = -3 + 0 -21 + -9r = -3 Add '21' to each side of the equation. -21 + 21 + -9r = -3 + 21 Combine like terms: -21 + 21 = 0 0 + -9r = -3 + 21 -9r = -3 + 21 Combine like terms: -3 + 21 = 18 -9r = 18 Divide each side by '-9'. r = -2 Simplifying r = -2
| 40x=3000 | | -59=-4n+1 | | 30(3x+9)=12 | | -3x-(-18)+13=20-1 | | 9(x+3)=4(x+18) | | 5(a-1)-15=3(a+2)+4 | | -39(x-6)+13=20-1 | | 40x+10=19 | | 2(x-3)=36-4x | | 12-2x=-x | | 5x-7=63-9x | | -3x-(-5)=19 | | 4-10n=26 | | 6x+21=165 | | 2-[2(3+x)-3(2-x)]=2 | | m*m*m*m-2m*m+1= | | 3(7x+10)=132 | | 77=x+3x+9 | | 2x^2+20x=-38 | | 4(-7-7x)=28 | | 8x+7=-16 | | 2x-16=74 | | 2xy-3y=-1-5x | | x*x*x-6x*x+9x= | | 27x^2-7x=0 | | 5(x-3)-6=3(x-2)-9 | | x*x-6x*x+9x= | | 8x-14=x | | x/8=19 | | -2(x-2)=11 | | -5x=x-2 | | -2x^2+8x+160=0 |