3(r+1)=15

Simple and best practice solution for 3(r+1)=15 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 3(r+1)=15 equation: 


Simplifying
3(r + 1) = 15

Reorder the terms:
3(1 + r) = 15
(1 * 3 + r * 3) = 15
(3 + 3r) = 15

Solving
3 + 3r = 15

Solving for variable 'r'.

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

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

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

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

Divide each side by '3'.
r = 4

Simplifying
r = 4

See similar equations:

| -11-3x=2x+24 | | 6+5x=43 | | j+3j=16 | | 3x+7x+5x= | | 0.5(x+20)=3x | | -7+x=-2x+5 | | 222-3x=42x+22 | | 5x+2=86 | | 3j=10j-14 | | z/7=-2.5 | | 12x^2+4x=6x | | 5m+6=-3m | | 12z=x-17 | | -8p=7-7p | | 0.5x+1.24=0.07x+1.8 | | 10-11x=21 | | 2x^2+3x-5+x^2+11x-7=180 | | 2(2x+3)+5(x+1)=8-3 | | 2-b-14=8b+102 | | 51-5x=13x+19 | | 6x-1=15x-72 | | -9x-y=-13 | | abs(y)=x^2-2x | | absy(y)=x^2-2x | | 12+7xn=n+6 | | m-3/3m-9 | | 0.10(429-19)= | | K=70+3k | | k^2-34k+144=0 | | 0.25(-8x+12)-2x=0.75(28-24x) | | 8d+2d+d+4=4d | | K=3k+70 |

Equations solver categories