7r+15=3r+3

Simple and best practice solution for 7r+15=3r+3 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+15=3r+3 equation:


Simplifying
7r + 15 = 3r + 3

Reorder the terms:
15 + 7r = 3r + 3

Reorder the terms:
15 + 7r = 3 + 3r

Solving
15 + 7r = 3 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
15 + 7r + -3r = 3 + 3r + -3r

Combine like terms: 7r + -3r = 4r
15 + 4r = 3 + 3r + -3r

Combine like terms: 3r + -3r = 0
15 + 4r = 3 + 0
15 + 4r = 3

Add '-15' to each side of the equation.
15 + -15 + 4r = 3 + -15

Combine like terms: 15 + -15 = 0
0 + 4r = 3 + -15
4r = 3 + -15

Combine like terms: 3 + -15 = -12
4r = -12

Divide each side by '4'.
r = -3

Simplifying
r = -3

See similar equations:

| 8x-14x=x-7 | | 3x-8(2x+2)=-6(2x+5) | | -2x-10x+12=18-14 | | 3x+4z=10 | | -1.55487804878=n/16.5 | | 2x^2+x-2=2 | | 2,580/.06= | | 2,580/.06 | | X^2-3x+10=-6 | | x^3-6x^2+3x-4=0 | | 4d+2=6d-12 | | 3x-48=x | | 7t-5=2t+5 | | 14n-3(4n-1)= | | F(-5)=4x+4 | | .22=logarithmx | | 2x-1y+5=0 | | 5x+2-3x+1=8x+1-x+6 | | 2(8m-5)=4m | | 3(5+y)-y=3y+15 | | 9=16 | | 5/7•25/35 | | 4x-x=x-1/2 | | 1/5x-1/3x | | 14x=15x+12 | | X^2-2x+y^2-8y+13=0 | | X^2-2x+y^2-8y*13=0 | | 5/7•5/1 | | 4x=7-91/9x-100 | | 5/7•5 | | 5x-21=-46 | | 16=1+4x-5 |

Equations solver categories