-8(r-6)-3=-21+3r

Simple and best practice solution for -8(r-6)-3=-21+3r equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -8(r-6)-3=-21+3r equation:


Simplifying
-8(r + -6) + -3 = -21 + 3r

Reorder the terms:
-8(-6 + r) + -3 = -21 + 3r
(-6 * -8 + r * -8) + -3 = -21 + 3r
(48 + -8r) + -3 = -21 + 3r

Reorder the terms:
48 + -3 + -8r = -21 + 3r

Combine like terms: 48 + -3 = 45
45 + -8r = -21 + 3r

Solving
45 + -8r = -21 + 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.
45 + -8r + -3r = -21 + 3r + -3r

Combine like terms: -8r + -3r = -11r
45 + -11r = -21 + 3r + -3r

Combine like terms: 3r + -3r = 0
45 + -11r = -21 + 0
45 + -11r = -21

Add '-45' to each side of the equation.
45 + -45 + -11r = -21 + -45

Combine like terms: 45 + -45 = 0
0 + -11r = -21 + -45
-11r = -21 + -45

Combine like terms: -21 + -45 = -66
-11r = -66

Divide each side by '-11'.
r = 6

Simplifying
r = 6

See similar equations:

| F(d)=13200+2d | | -5(t-5)+9t=7t-4 | | 10(-0.6+.5x)=5x-6 | | 3.5=6.7-0.4x | | (3x-6)(2x+5)= | | 2(x+4)=4(z+2)-2z | | 3x-12=x-24 | | -34+8n=-7(n-8) | | -6-2x-12=3x+4 | | -2x-4(-4x+8)=-186 | | 3(3)-6-2(-2)=7 | | -49=6c-13-4 | | 2x-2(-7x+10)=76 | | -18=3y-3 | | 102=r(34) | | 2(27-b)=100-4+6(3-b) | | -2(3x-5)=90 | | 21=x/8+2 | | 3x+4(-x-8)=-40 | | X+x+2+x+4=51 | | -3c^2+8c+5=0 | | -4x-4(4x-15)=-120 | | -20=4+8x | | 12[4z-1]=3[z+2] | | -2m-3(m-2)=2m-1 | | 2x+3(6x-7)=-181 | | 17a-9a=8 | | x(0.08)=1710 | | 18n-16n=16 | | 2x+3d=y | | -5-4x=-17 | | -7x-2(-2x-4)=-7 |

Equations solver categories