r-2[1-4(2r+6)]=80

Simple and best practice solution for r-2[1-4(2r+6)]=80 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 r-2[1-4(2r+6)]=80 equation:


Simplifying
r + -2[1 + -4(2r + 6)] = 80

Reorder the terms:
r + -2[1 + -4(6 + 2r)] = 80
r + -2[1 + (6 * -4 + 2r * -4)] = 80
r + -2[1 + (-24 + -8r)] = 80

Combine like terms: 1 + -24 = -23
r + -2[-23 + -8r] = 80
r + [-23 * -2 + -8r * -2] = 80
r + [46 + 16r] = 80

Reorder the terms:
46 + r + 16r = 80

Combine like terms: r + 16r = 17r
46 + 17r = 80

Solving
46 + 17r = 80

Solving for variable 'r'.

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

Add '-46' to each side of the equation.
46 + -46 + 17r = 80 + -46

Combine like terms: 46 + -46 = 0
0 + 17r = 80 + -46
17r = 80 + -46

Combine like terms: 80 + -46 = 34
17r = 34

Divide each side by '17'.
r = 2

Simplifying
r = 2

See similar equations:

| -7(3x-2y+4)=x | | 0.16x+1=10 | | m-4/9=-2*67/90 | | 5/8=1/2× | | 2-2+(y^2+y)= | | -224=-16k | | 4v+21=9(v+4) | | 2(2y-1)-2(2)=2 | | 224=116k | | -4+8p-6p-5+20= | | 5(y-1/3)-y=7(3-y) | | 4x+2(-2x)=14 | | 9.2(x-1.25)=-18.4 | | (2x^2+9)(x^2+9)=0 | | 60-u=211 | | -3(x+2)4x=12 | | 2xn^2=18 | | 30x^2+23x+2=0 | | 66+-11+2+66+3=0 | | (9x^4y^-6)^1/2 | | -18=n+(-12) | | x/3-x/4=1/12 | | 2d+16-3-2d+4d= | | 11y-9y=14 | | -3(x-3)=5x+12 | | 3(x+9)=108 | | 5x/4*1,2= | | 0.5/8 | | 6.4(x-2.25)=19.2 | | 7n+5n=84 | | 8m+14+-4m-12= | | 6(1-x)=5(1+2x)+13 |

Equations solver categories