7r-6(2-2r)=140

Simple and best practice solution for 7r-6(2-2r)=140 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 7r-6(2-2r)=140 equation:


Simplifying
7r + -6(2 + -2r) = 140
7r + (2 * -6 + -2r * -6) = 140
7r + (-12 + 12r) = 140

Reorder the terms:
-12 + 7r + 12r = 140

Combine like terms: 7r + 12r = 19r
-12 + 19r = 140

Solving
-12 + 19r = 140

Solving for variable 'r'.

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

Add '12' to each side of the equation.
-12 + 12 + 19r = 140 + 12

Combine like terms: -12 + 12 = 0
0 + 19r = 140 + 12
19r = 140 + 12

Combine like terms: 140 + 12 = 152
19r = 152

Divide each side by '19'.
r = 8

Simplifying
r = 8

See similar equations:

| 3y+3x-12=0 | | -3(8-4m)+2=-94 | | 6=x^2-3x-4 | | abs(9x+2)-8=4 | | x^3-2x^2-5x-7=0 | | 1/3(c+1)=1/6(3c-5) | | 4x^2=36x+40 | | 3(6z-1)-2(z+4)=8(z+1) | | 16q^2+9=4 | | 5y^2+1=0 | | 12x=545-125 | | 5y^2-8y=0 | | 2-8*2x=x | | 20-3g=g | | 2+555555555=6r | | 345x-567=456 | | 13-9x=173-44x | | 6=20+s | | 20+s=20 | | 5x+46=9x+14x | | C=2(3.14)5.64332648 | | 100=3.14r^2 | | 7y-3=2y-20 | | 8(-2)-45x=10 | | -2x-4y=-46 | | log(3)x=log(3)2+log(3)8-log(3)4 | | 5x^2+21x-9= | | 4.25x+4=4.5x+5 | | 7x^2+49x+84=0 | | 234x-67=578 | | 2x-24=124 | | e+5k-3e-6k= |

Equations solver categories