2(5r+8)-4(2r-4)-7r=

Simple and best practice solution for 2(5r+8)-4(2r-4)-7r= 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(5r+8)-4(2r-4)-7r= equation: 


Simplifying
2(5r + 8) + -4(2r + -4) + -7r = 0

Reorder the terms:
2(8 + 5r) + -4(2r + -4) + -7r = 0
(8 * 2 + 5r * 2) + -4(2r + -4) + -7r = 0
(16 + 10r) + -4(2r + -4) + -7r = 0

Reorder the terms:
16 + 10r + -4(-4 + 2r) + -7r = 0
16 + 10r + (-4 * -4 + 2r * -4) + -7r = 0
16 + 10r + (16 + -8r) + -7r = 0

Reorder the terms:
16 + 16 + 10r + -8r + -7r = 0

Combine like terms: 16 + 16 = 32
32 + 10r + -8r + -7r = 0

Combine like terms: 10r + -8r = 2r
32 + 2r + -7r = 0

Combine like terms: 2r + -7r = -5r
32 + -5r = 0

Solving
32 + -5r = 0

Solving for variable 'r'.

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

Add '-32' to each side of the equation.
32 + -32 + -5r = 0 + -32

Combine like terms: 32 + -32 = 0
0 + -5r = 0 + -32
-5r = 0 + -32

Combine like terms: 0 + -32 = -32
-5r = -32

Divide each side by '-5'.
r = 6.4

Simplifying
r = 6.4

See similar equations:

| 24.9/2 | | 2n^2-19n=-35 | | 24/21x | | 7x=2x+55 | | 2(x+4)+3x=-3 | | g(1-t)=3x^2-4x+2 | | 76=4v+16 | | 6.59-4.51/2.75 | | n+-4=-15 | | 7x+54=3x+14 | | -1/2(6x-5)? | | 60x-9=10x-59 | | 1152=2x^2+8x-64 | | 5t+2r=25 | | 7x+3-8y+5z=9 | | 30x-10=5x+40 | | -46-5=36+9 | | 9x-21=x+3 | | 4(g+19)= | | 12x+3=2x+23 | | 6y-54/y-6 | | x+b=c-b | | 0.9=0.2+X-0.2X | | 50x-25=15x+10 | | 7(w+5)=-3w-45 | | 3x+13=2(x+13) | | F(4)=10-1/4x | | 7(w+5)=-3-45 | | 40x-10=3x-64 | | 7w=5w+50 | | S=75+3w | | p(x)=x^3+4x^4 |

Equations solver categories