-2(5+r)=8

Simple and best practice solution for -2(5+r)=8 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 -2(5+r)=8 equation: 


Simplifying
-2(5 + r) = 8
(5 * -2 + r * -2) = 8
(-10 + -2r) = 8

Solving
-10 + -2r = 8

Solving for variable 'r'.

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

Add '10' to each side of the equation.
-10 + 10 + -2r = 8 + 10

Combine like terms: -10 + 10 = 0
0 + -2r = 8 + 10
-2r = 8 + 10

Combine like terms: 8 + 10 = 18
-2r = 18

Divide each side by '-2'.
r = -9

Simplifying
r = -9

See similar equations:

| y=13x^2+21x-10 | | 11b-4b-5b=14 | | 5.4x^2-0.03=16.17 | | 19b+2b+5b-25b=13 | | 2x^2-2x+5=e^6 | | 3g-2g=8 | | 17y+8y=700 | | 2l+2w=4 | | 500(-0.25)= | | 6x-3y+8y+10x+4= | | x^3-2x+2=6.2 | | 7y+23=3y | | (-3/7)(-14/9) | | 2b-b=6 | | 21=9-4/3= | | 14=3x+x | | 4.3x-8.11=7.8 | | 20y-5x=5 | | 6y-4=-3(1-2x) | | 8n-3n=20 | | 4y=16x+12 | | f(x)=5x^8+7 | | 356+365+x=977 | | 13w-12w=20 | | 18+8x-25=-7(3-x)+3x | | 4(1/8)^3=64^(-.5x) | | 9-2a=3a-11 | | 3.14=19 | | 6h+3=9+4h | | -3(3x+2)-2(1-8x)=3(6+2x) | | V+3v=12 | | 3x^2+15+6=0 |

Equations solver categories