-8(r+7)=-20-2r

Simple and best practice solution for -8(r+7)=-20-2r 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+7)=-20-2r equation:


Simplifying
-8(r + 7) = -20 + -2r

Reorder the terms:
-8(7 + r) = -20 + -2r
(7 * -8 + r * -8) = -20 + -2r
(-56 + -8r) = -20 + -2r

Solving
-56 + -8r = -20 + -2r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '2r' to each side of the equation.
-56 + -8r + 2r = -20 + -2r + 2r

Combine like terms: -8r + 2r = -6r
-56 + -6r = -20 + -2r + 2r

Combine like terms: -2r + 2r = 0
-56 + -6r = -20 + 0
-56 + -6r = -20

Add '56' to each side of the equation.
-56 + 56 + -6r = -20 + 56

Combine like terms: -56 + 56 = 0
0 + -6r = -20 + 56
-6r = -20 + 56

Combine like terms: -20 + 56 = 36
-6r = 36

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

Simplifying
r = -6

See similar equations:

| 10x+2(x+12)=-14(x-1) | | -89=-15x-14 | | 4*12+5y=180 | | z-983=27z-3 | | 6z-10z=6 | | 11y+17=138 | | 4-t=8 | | 2x(6)=36 | | 160=-x^2+20x | | 3x+2x-4= | | 5x+7+x+9=180 | | -5d=6d+5-d | | 12t-45=12t+3 | | -5d+28=d+316 | | -4n+37=n+232 | | 7x*7x*7x+x=10 | | P+16=-1 | | 20b+8=b-923 | | 5d=6d+d-5 | | 7x-22=-4(-x+4) | | p-13=-9-3 | | -1+8(9c-7)= | | 4(3z+1)-z-16= | | 34-4c=3(8c+6) | | N*0=9 | | P-13=-9p-3 | | -1+7x+9=50 | | 7x-33=-4(-x+4) | | 3(2(0.3)+4)-5=9 | | 7+7(3m+7)= | | 4x-3x-6=20-5x | | a-99=4a-3 |

Equations solver categories