If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -21 + 2r = 3(r + -8) Reorder the terms: -21 + 2r = 3(-8 + r) -21 + 2r = (-8 * 3 + r * 3) -21 + 2r = (-24 + 3r) Solving -21 + 2r = -24 + 3r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-3r' to each side of the equation. -21 + 2r + -3r = -24 + 3r + -3r Combine like terms: 2r + -3r = -1r -21 + -1r = -24 + 3r + -3r Combine like terms: 3r + -3r = 0 -21 + -1r = -24 + 0 -21 + -1r = -24 Add '21' to each side of the equation. -21 + 21 + -1r = -24 + 21 Combine like terms: -21 + 21 = 0 0 + -1r = -24 + 21 -1r = -24 + 21 Combine like terms: -24 + 21 = -3 -1r = -3 Divide each side by '-1'. r = 3 Simplifying r = 3
| 5/8-2/7 | | 11x-97=306 | | 11m-14=12m+13 | | 32-7x=123 | | 38-4n=5(7n-8) | | 4sin(2x)=-0.364 | | b-1/2b-4=0 | | -7q+7=2q-11 | | B+4b=7b-8 | | 15x-36=-171 | | -132=6(-8+2b) | | x-0.25=75 | | -7(8-3n)=91 | | 8x+6y=280 | | -85=-5(1-2p) | | 2n-8(-4+3)=180 | | 7x+16=90 | | -2+4=-6r-8+6r-4 | | -2r+4=-6r-4 | | -2(9+5a)+a= | | 5x+25=-5(x+5)-8x | | X-3/4=x/5 | | 15+10*30=6 | | Y=-x+5x(2)+10 | | 3v+7-6v=3v-8v+3 | | 1.75k=4.6 | | 15/12=4.5/3.5 | | x^4-12x^3+32x^2+23x-4=0 | | 124=7(2r+8)+3r | | -12x^3+32x^2+23x=0 | | 3x-11+2x-6x=0 | | -11x-(-12/-8)=-15 |