-2(r+8)=7

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


Simplifying
-2(r + 8) = 7

Reorder the terms:
-2(8 + r) = 7
(8 * -2 + r * -2) = 7
(-16 + -2r) = 7

Solving
-16 + -2r = 7

Solving for variable 'r'.

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

Add '16' to each side of the equation.
-16 + 16 + -2r = 7 + 16

Combine like terms: -16 + 16 = 0
0 + -2r = 7 + 16
-2r = 7 + 16

Combine like terms: 7 + 16 = 23
-2r = 23

Divide each side by '-2'.
r = -11.5

Simplifying
r = -11.5

See similar equations:

| 127-t=988 | | 5(5-x)=75 | | 24x^2+3x+2=0 | | n-7=2n-22 | | 3(w+6)+-7w=18 | | (-4/3m)=-8 | | 4x+11=10-2x | | 7 * y + 9 * y = 96 | | Y=(x-2)/(x-4) | | 12x-9=4m+15 | | -4(p+1)-p-7=-5(p+5)+14 | | -8(y+9)=-2y-18 | | 2-4(9x-4)=-4(7x-2)+3 | | 4+2+a=12 | | 2(2x+3)=0 | | 3(x-4)-4x=-4(x+3)+3x | | 9/12x-4/12x=10/12x-5 | | 2a+3+3a=13 | | 10z^2=2z | | 3/4a=-6 | | -4x+12-3x=61 | | -9x+24=3(x+4) | | m+45=-75 | | 3y-11+2y=4 | | 9n+5n+2n-8= | | x-(-12)+2x=24 | | x-7=163 | | 0=x^2-7x-18 | | -2(n+6)=-10 | | t2/3-1/2 | | 6x+12=3x-36 | | 72+18h+8h= |

Equations solver categories