If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -9 + 9(9r + 9) = 315 Reorder the terms: -9 + 9(9 + 9r) = 315 -9 + (9 * 9 + 9r * 9) = 315 -9 + (81 + 81r) = 315 Combine like terms: -9 + 81 = 72 72 + 81r = 315 Solving 72 + 81r = 315 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-72' to each side of the equation. 72 + -72 + 81r = 315 + -72 Combine like terms: 72 + -72 = 0 0 + 81r = 315 + -72 81r = 315 + -72 Combine like terms: 315 + -72 = 243 81r = 243 Divide each side by '81'. r = 3 Simplifying r = 3
| 6h=9x+18 | | 2cosx*sinx+1=0 | | x-5.8y=-2.8 | | 0=b+1-8 | | -3x+11=-16 | | 5x-2+3x=17+2-23 | | 4x+4+3x-1=87 | | 3/2=20/y | | 9(2k+3)+2=11(5-y) | | x-7+2=-5-8 | | 4(-5n+3)=-4-4n | | x^2-100x+2500=1250 | | -5(n-8)=-10(1-3n)-10n | | (-8r-2)+(4r-3)= | | 69-10x=102 | | 2.50/5=c/8 | | 3x=8+12x | | (x-1/6)2=x.1/3 | | 100+0.1x=100.7 | | 3y+2x+6=0 | | y=4.9x^2+10x | | x-1.4=-5.2 | | 6(3x-3)=60x | | x-1.4=-5.3 | | 3-7n=-4-6n | | 3x-2(1.5x+5)=10 | | 6x+8-3x=2+3x+6 | | 3cotx+3sqrt(3)=0 | | x+0.83=2.24 | | 30-7k=-5(2+3k) | | 17x+12=x-6 | | 5x=9d-18 |