12r-(r-7)+6=3(r+6)+8r

Simple and best practice solution for 12r-(r-7)+6=3(r+6)+8r 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 12r-(r-7)+6=3(r+6)+8r equation:


Simplifying
12r + -1(r + -7) + 6 = 3(r + 6) + 8r

Reorder the terms:
12r + -1(-7 + r) + 6 = 3(r + 6) + 8r
12r + (-7 * -1 + r * -1) + 6 = 3(r + 6) + 8r
12r + (7 + -1r) + 6 = 3(r + 6) + 8r

Reorder the terms:
7 + 6 + 12r + -1r = 3(r + 6) + 8r

Combine like terms: 7 + 6 = 13
13 + 12r + -1r = 3(r + 6) + 8r

Combine like terms: 12r + -1r = 11r
13 + 11r = 3(r + 6) + 8r

Reorder the terms:
13 + 11r = 3(6 + r) + 8r
13 + 11r = (6 * 3 + r * 3) + 8r
13 + 11r = (18 + 3r) + 8r

Combine like terms: 3r + 8r = 11r
13 + 11r = 18 + 11r

Add '-11r' to each side of the equation.
13 + 11r + -11r = 18 + 11r + -11r

Combine like terms: 11r + -11r = 0
13 + 0 = 18 + 11r + -11r
13 = 18 + 11r + -11r

Combine like terms: 11r + -11r = 0
13 = 18 + 0
13 = 18

Solving
13 = 18

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

See similar equations:

| x+3x-2x-2=13 | | 9y+9=3y+9 | | 3k^2=10k-3 | | 8x+5=35+5x | | 42=6x+4-x+13 | | 3t+5=3*5+t | | 10-6p+5p-4= | | 5+2(n+1)=2h | | -4(2t-t)+5t=4t-2 | | 3(5x-7)-12x=-9 | | 6x-10=-8+8x | | x(a-b)=d+c | | 200=n+6(8+3n) | | -3/8x-4=1/8x-5 | | D=Ty | | 6*5+3=y | | 5g-2h=-5 | | 3x+9=7x-5 | | 122=9/5c+32 | | 4w+12(w-1)=36 | | 2(x+5)+3(x-5)=180 | | -5b=-8 | | 4x^2+8x=320 | | 21d-4=-67 | | -5(2t-3)+2t=8t-6 | | 8-2x+8+1=5x+5+1 | | 3*x-4=11 | | 3(4y-21)=7 | | 0.25x+7=0.33x-8 | | loge(x^2)-2=0 | | -2xy=-3 | | 15-.75z=13-.50z |

Equations solver categories