-2-2(1-6r)=7(r-4)-1

Simple and best practice solution for -2-2(1-6r)=7(r-4)-1 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 -2-2(1-6r)=7(r-4)-1 equation:


Simplifying
-2 + -2(1 + -6r) = 7(r + -4) + -1
-2 + (1 * -2 + -6r * -2) = 7(r + -4) + -1
-2 + (-2 + 12r) = 7(r + -4) + -1

Combine like terms: -2 + -2 = -4
-4 + 12r = 7(r + -4) + -1

Reorder the terms:
-4 + 12r = 7(-4 + r) + -1
-4 + 12r = (-4 * 7 + r * 7) + -1
-4 + 12r = (-28 + 7r) + -1

Reorder the terms:
-4 + 12r = -28 + -1 + 7r

Combine like terms: -28 + -1 = -29
-4 + 12r = -29 + 7r

Solving
-4 + 12r = -29 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
-4 + 12r + -7r = -29 + 7r + -7r

Combine like terms: 12r + -7r = 5r
-4 + 5r = -29 + 7r + -7r

Combine like terms: 7r + -7r = 0
-4 + 5r = -29 + 0
-4 + 5r = -29

Add '4' to each side of the equation.
-4 + 4 + 5r = -29 + 4

Combine like terms: -4 + 4 = 0
0 + 5r = -29 + 4
5r = -29 + 4

Combine like terms: -29 + 4 = -25
5r = -25

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

Simplifying
r = -5

See similar equations:

| 8/B=4/13 | | 3(x-4)+2x=4x+5 | | 64=-4a-5(2a+4) | | 0.33333333(15w+975)=3160 | | X-6x+3x-7x= | | -5y-3(-2z+4y)+3z= | | 5(2x-3)+3=68 | | 0.33333333(15w+975)=4000 | | X(2)+8x-20=0 | | 5(m+10)=25 | | x^2+6x-4y+29=0 | | 10+9x=26+1x | | -4+4(5x+2)=-36 | | 2/5x-4/3x^2 | | 1.2(5x-12)=2x-3+10y | | 5y=4sinx-3 | | 4(n+1)=24 | | -42=-6(1-3x) | | (x+18)*2=4x-12 | | 1+3x+94=180 | | 1/8-y/9=1/72 | | -2m+5=14+m | | 36-7c=22 | | -5r-8=-5r-16 | | 5x^2=170 | | 5x+6y=9y+1 | | 1-5/6-1/12 | | 9z-2m+2-3= | | 10=n-8+2n | | 1+5n=10 | | 46+3x+2x-1=180 | | 2.7-1.9= |

Equations solver categories