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

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


Simplifying
2(r + -4) = r + (-7)

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

Reorder the terms:
-8 + 2r = -7 + r

Solving
-8 + 2r = -7 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
-8 + 2r + -1r = -7 + r + -1r

Combine like terms: 2r + -1r = 1r
-8 + 1r = -7 + r + -1r

Combine like terms: r + -1r = 0
-8 + 1r = -7 + 0
-8 + 1r = -7

Add '8' to each side of the equation.
-8 + 8 + 1r = -7 + 8

Combine like terms: -8 + 8 = 0
0 + 1r = -7 + 8
1r = -7 + 8

Combine like terms: -7 + 8 = 1
1r = 1

Divide each side by '1'.
r = 1

Simplifying
r = 1

See similar equations:

| 5x-5=3x+15 | | 81c^2-25=0 | | -2y=6x+4 | | 16y^2=0 | | 0.083x-0.334+0.001(5-x)=0.209 | | 0.6x=2.4 | | 5b-8=62 | | b^2=45-4b | | x+21=3x+15 | | k+4+k+3k-2=2k-3+3k-5 | | 2a-6=20 | | 4x+2(x-1)=5x-22+2x | | 0-2= | | 3x-1+x+3=3 | | x-18=2x | | 2.5x=-15 | | 9x+6x=18 | | x-50=60 | | 2y-1=15 | | 2x-9x+6x=9-15x | | -2x(-3)x(-8)= | | w^2-13w+42=0 | | 128y^2+1=0 | | 2y^3+1=0 | | 9k^2-1=0 | | 7(6x-7)= | | 3k^2+4k-7=0 | | 102-6x=12+18 | | 5x+3=6X | | 4x^2-12x=-9 | | 3k^2+10k+7=0 | | -113-9x=10+20 |

Equations solver categories