2(4r+5)+15=2(r+8)+3r

Simple and best practice solution for 2(4r+5)+15=2(r+8)+3r 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(4r+5)+15=2(r+8)+3r equation:


Simplifying
2(4r + 5) + 15 = 2(r + 8) + 3r

Reorder the terms:
2(5 + 4r) + 15 = 2(r + 8) + 3r
(5 * 2 + 4r * 2) + 15 = 2(r + 8) + 3r
(10 + 8r) + 15 = 2(r + 8) + 3r

Reorder the terms:
10 + 15 + 8r = 2(r + 8) + 3r

Combine like terms: 10 + 15 = 25
25 + 8r = 2(r + 8) + 3r

Reorder the terms:
25 + 8r = 2(8 + r) + 3r
25 + 8r = (8 * 2 + r * 2) + 3r
25 + 8r = (16 + 2r) + 3r

Combine like terms: 2r + 3r = 5r
25 + 8r = 16 + 5r

Solving
25 + 8r = 16 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
25 + 8r + -5r = 16 + 5r + -5r

Combine like terms: 8r + -5r = 3r
25 + 3r = 16 + 5r + -5r

Combine like terms: 5r + -5r = 0
25 + 3r = 16 + 0
25 + 3r = 16

Add '-25' to each side of the equation.
25 + -25 + 3r = 16 + -25

Combine like terms: 25 + -25 = 0
0 + 3r = 16 + -25
3r = 16 + -25

Combine like terms: 16 + -25 = -9
3r = -9

Divide each side by '3'.
r = -3

Simplifying
r = -3

See similar equations:

| 15x-28=17 | | 1-8(-3m+3)=97 | | 2(2z-4)+2z=3(z-3)+5z | | (4x+7)/2-(5x-1)/6=x+5 | | -34-4x=10-10x | | -111=1+4(4r-4) | | 31=5n | | 70=10x+20 | | 53-3x=15x+19 | | 42=.05v^2 | | 5x+24=3-2x | | 7x-2x+x-8x= | | 6-8x=32-22x | | 7x-2x+x=8x | | -158=-8(4-6x)-6x | | 8n-3n-6+2= | | x^3+4x+2=0 | | (6+u)(3u-1)=0 | | (x+1)/2-(x-1)/3=1/4 | | 2j=j-24 | | x^4-81a^8=0 | | 4*(6-x)+2x=5*(x+7)+3 | | 6-6x=13-7x | | -(7c+10)=4(2c+5) | | h=e-3 | | 7(1+2b)+8b=-125 | | 6b^2+2b-35=0 | | 7(2x+6)=0 | | 8+3x+3=2x+11 | | 80-3x=10-7x | | 2t-8t-20=0 | | 80-3x=13-7x |

Equations solver categories