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 + 4) = -21 Reorder the terms: -3(4 + r) = -21 (4 * -3 + r * -3) = -21 (-12 + -3r) = -21 Solving -12 + -3r = -21 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + -3r = -21 + 12 Combine like terms: -12 + 12 = 0 0 + -3r = -21 + 12 -3r = -21 + 12 Combine like terms: -21 + 12 = -9 -3r = -9 Divide each side by '-3'. r = 3 Simplifying r = 3
| Cos^2-8cost+15=0 | | 35=(x-6) | | 4(x+2)=12-2(3-4x) | | -3(6n-4)+3n=y | | (w+9)=17 | | 22-2k=-2k-2(1-2k) | | x/x+2=2/19 | | 2(x-4)+3(2x+3)=4(x+2)-5(1-x) | | -4+7b=8b-12 | | -6.7-7.6p-6.1p-3.1= | | -4-n=-2n-3 | | 3(2x-3)-5=4 | | a-12=-23 | | 7x-3(4-5)=12 | | -94x+7x=15 | | x/a+8=b | | 2(3x-y)=4 | | (a-4)=3a-6 | | 4-5r-7= | | 4x+18-3x=-2-12 | | 128=-7(4p-5)-3p | | x/9/7/x+3 | | -11=-4(-7-5x)+7(x+6) | | 7*x=42 | | 2(-x+4)-5(-2-x)=4+5(3*2-2*2) | | 36+2x=72 | | -(-8y+2)-(-7y-7)=3 | | (M-6)=4 | | x+0.2x+0.06x=50.40 | | 15+6x=51 | | (-1,-1),(1,-3),(2,0)= | | 6x+14=9x-1 |