3r-28=8(1+4r)+7r

Simple and best practice solution for 3r-28=8(1+4r)+7r 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 3r-28=8(1+4r)+7r equation:


Simplifying
3r + -28 = 8(1 + 4r) + 7r

Reorder the terms:
-28 + 3r = 8(1 + 4r) + 7r
-28 + 3r = (1 * 8 + 4r * 8) + 7r
-28 + 3r = (8 + 32r) + 7r

Combine like terms: 32r + 7r = 39r
-28 + 3r = 8 + 39r

Solving
-28 + 3r = 8 + 39r

Solving for variable 'r'.

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

Add '-39r' to each side of the equation.
-28 + 3r + -39r = 8 + 39r + -39r

Combine like terms: 3r + -39r = -36r
-28 + -36r = 8 + 39r + -39r

Combine like terms: 39r + -39r = 0
-28 + -36r = 8 + 0
-28 + -36r = 8

Add '28' to each side of the equation.
-28 + 28 + -36r = 8 + 28

Combine like terms: -28 + 28 = 0
0 + -36r = 8 + 28
-36r = 8 + 28

Combine like terms: 8 + 28 = 36
-36r = 36

Divide each side by '-36'.
r = -1

Simplifying
r = -1

See similar equations:

| 30z=450 | | 2=m/4-1 | | Log(4)8x+log(4)4=3 | | -31=c/-16 | | 6=-2(3p+3) | | 2y+13=2y+19 | | 350x+xy-200=0 | | c+-102=277 | | -4x-4=32 | | -p-4=2 | | -0.26=log(x) | | 11-3f=2 | | 3.8/4 | | -8x^2+3-10x=0 | | 5(-4x+7)=175 | | m+-77=-50 | | -p+2=-3 | | -3c=-81 | | -75=v-83 | | 8x-4=2x+8+x | | p+20=32 | | (11x^2+7x-14)(x)= | | 2(x+6)+3=3x+4-2x+4 | | 84=w/6 | | 13.95d+1.95=85.65 | | n/8=-17 | | 6x(7x-8)-2(21x-6)=3-30x | | 13.95+1.95=85.65 | | (8+7)+(9+2)=18 | | v+-607=-907 | | (4x)(4x)-16x-9=0 | | 60000+80000=2x+x |

Equations solver categories