-2(2+r)=12

Simple and best practice solution for -2(2+r)=12 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(2+r)=12 equation: 


Simplifying
-2(2 + r) = 12
(2 * -2 + r * -2) = 12
(-4 + -2r) = 12

Solving
-4 + -2r = 12

Solving for variable 'r'.

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

Add '4' to each side of the equation.
-4 + 4 + -2r = 12 + 4

Combine like terms: -4 + 4 = 0
0 + -2r = 12 + 4
-2r = 12 + 4

Combine like terms: 12 + 4 = 16
-2r = 16

Divide each side by '-2'.
r = -8

Simplifying
r = -8

See similar equations:

| 0.5x+4x=90 | | 6(10+5x)=390 | | 7v-6.5=-2.3v+8.3 | | 2(x+3)+7=-1 | | y=2x^2+6x-7 | | -5(2x-2)=-10x+10 | | x-2(x-1)=3x-6 | | 2x-25+83=180 | | y=-lx-1l | | f(x)=2x^2+6x-7 | | 2z-9z-4=52 | | 4x-5=7+5y | | -5(-8-3x)=115 | | 2z-9x-4=52 | | 0.5x+4x=180 | | 3x-4+5x=-12 | | 11-.5=3+6x | | 7v-29=-5(3v-3) | | 54=11x-45 | | 4y+22=-2(y+4) | | -12.5=4t | | 3(3-3x)=117 | | -2+8i=z | | 10x+60-10x=4x-10x | | 6x+113=-11x-159 | | 3-i=z | | 9-6z=45 | | m=15.75+3.2*3.3 | | 5b^3+24b^2=7b | | r-1.25+.5r=3.25 | | 125m-100m+38000=40000-175m | | -7x-5(-5x+8)=176 |

Equations solver categories