-4(r+7)=-66

Simple and best practice solution for -4(r+7)=-66 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 -4(r+7)=-66 equation:


Simplifying
-4(r + 7) = -66

Reorder the terms:
-4(7 + r) = -66
(7 * -4 + r * -4) = -66
(-28 + -4r) = -66

Solving
-28 + -4r = -66

Solving for variable 'r'.

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

Add '28' to each side of the equation.
-28 + 28 + -4r = -66 + 28

Combine like terms: -28 + 28 = 0
0 + -4r = -66 + 28
-4r = -66 + 28

Combine like terms: -66 + 28 = -38
-4r = -38

Divide each side by '-4'.
r = 9.5

Simplifying
r = 9.5

See similar equations:

| 2.7=4.1-0.7x | | 2x+2x-5=27 | | x^2=4x-77 | | 13=8x+3-6x | | 3y-4(y+1)=-(7y+4)+y | | 159=11x+6 | | w^2+16w+60=0 | | 6x+7y=5 | | (4u+3)(6+u)=0 | | 7x-8=z | | v-9a=m | | 7=8-y | | x-16.34=0 | | .2(n-16)=.4n | | 8x-(2x+3)+18=3x | | 3(x+2)-5(x+2)=-2x-4 | | 8c+6=6c+10 | | x+3+x+7+x^2-2x+3x-2=48 | | x^2+3x=42 | | 3x^2+12x-36= | | 5(x-2)=2(x-2) | | -8xy+4xz-xy-5xz= | | 6x-7=4x+1 | | x^2-4.7x+2.7=0 | | 5(x-2)=3(x-2) | | (6x^2+2x)+(9x+3)=0 | | 7x^2=3-2x | | 70x^2+24x+28=0 | | 4s^2-15=17s | | 5w^2=-13w+6 | | x^2+y^2+ax+by+c=0 | | x^2-24x+135=0 |

Equations solver categories