If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -3(r + 7) = -31 Reorder the terms: -3(7 + r) = -31 (7 * -3 + r * -3) = -31 (-21 + -3r) = -31 Solving -21 + -3r = -31 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '21' to each side of the equation. -21 + 21 + -3r = -31 + 21 Combine like terms: -21 + 21 = 0 0 + -3r = -31 + 21 -3r = -31 + 21 Combine like terms: -31 + 21 = -10 -3r = -10 Divide each side by '-3'. r = 3.333333333 Simplifying r = 3.333333333
| (9-2x)*(6-2x)=50 | | -6=b/4-1 | | 5(2x-1)=-5(3x-15) | | 5=-5/2k | | x^2-30x+54=50 | | 1x^2+3=84 | | 2x-5(3x-5)= | | ax+b=4c | | 20x+9y= | | 5x+8y=769 | | 5z-2(4+i)=3z-i+7 | | 236.91=-9.9x+0.3 | | 75x+250=1000 | | 3p+4a=i | | a-20=-13 | | 4(g+2d)=2(4-g) | | n-20=-12 | | -28xy+35y= | | n-20=-20 | | x+2=2x-8 | | (x/4)-1=(-x/2)+8 | | 4.9*t^2+12*t-56=0 | | -8=8+v | | 232.3=7.4+9.821x | | 0=4x^3+39x^2-243 | | p(x)=4x^2-81 | | 11=8x-6x | | -13(x+5)=144 | | x^2-700x+11180=0 | | 4t^2+4t^4+1=0 | | 6x-9=3x+7 | | (10-11i)-(1-9i)=0 |