3(r+1)=12

Simple and best practice solution for 3(r+1)=12 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)=12 equation:


Simplifying
3(r + 1) = 12

Reorder the terms:
3(1 + r) = 12
(1 * 3 + r * 3) = 12
(3 + 3r) = 12

Solving
3 + 3r = 12

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 = 12 + -3

Combine like terms: 3 + -3 = 0
0 + 3r = 12 + -3
3r = 12 + -3

Combine like terms: 12 + -3 = 9
3r = 9

Divide each side by '3'.
r = 3

Simplifying
r = 3

See similar equations:

| [4x-3]-5=4 | | 9.95+.035z=12.75 | | 2-8x=-22 | | r+10=13 | | 6-7=7x-10x-6 | | 4m+17=7-m | | 1/3(6x+9)=-2x+15 | | y=5x+42 | | 6+30x=42 | | -10x+17=12 | | (x^2-x)/5-(7-x^2)/6=7 | | 17=3+2v-4v | | 8y-11=5(2y-3) | | m/g-1=-2 | | 17-3x=35 | | 9n-30=30 | | -15x-10y=1 | | 9x+15=5x-1 | | -6=4+5/2 | | x/3-2=5/6 | | x^3-8x^2-3x-90=0 | | 7m+-10=10 | | 7x-2=51 | | 22x+3=3(5x-2)+7+9 | | 310/25 | | 13+4b+6b= | | y^2+8y+16=y^2+2y+1+y^2-2y-1 | | 74-3x=10+22 | | 7x+8x-24=48-9x | | 7=y+4 | | 7/5+4/5x=21/10+1/2+5/2x | | 3x+2y-7z+4x-3y= |

Equations solver categories