12+r+2(r+1)=3

Simple and best practice solution for 12+r+2(r+1)=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 12+r+2(r+1)=3 equation:


Simplifying
12 + r + 2(r + 1) = 3

Reorder the terms:
12 + r + 2(1 + r) = 3
12 + r + (1 * 2 + r * 2) = 3
12 + r + (2 + 2r) = 3

Reorder the terms:
12 + 2 + r + 2r = 3

Combine like terms: 12 + 2 = 14
14 + r + 2r = 3

Combine like terms: r + 2r = 3r
14 + 3r = 3

Solving
14 + 3r = 3

Solving for variable 'r'.

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

Add '-14' to each side of the equation.
14 + -14 + 3r = 3 + -14

Combine like terms: 14 + -14 = 0
0 + 3r = 3 + -14
3r = 3 + -14

Combine like terms: 3 + -14 = -11
3r = -11

Divide each side by '3'.
r = -3.666666667

Simplifying
r = -3.666666667

See similar equations:

| 4a-22=-4(1-6a) | | -13=5-13+3c | | 78-u=168 | | (x^2+x-1)(x+1)=0 | | p-2=-16 | | 2-3x+2(3-6)=3-3.4 | | 4[x+(-7)]=2(x+8) | | -3x=7+5y | | 44x+2880=x^2 | | x-1-6-3=1+8-5 | | 5.5-z=3.3 | | 4(-6)+x+5=-2(-4) | | =9x^2+12x+20 | | 4x+34=13x-33 | | 5x+659=0 | | 2x-4(-6)=-3(-2) | | 4x-1y=20 | | 22x+7=17x-95 | | 45=15-2z | | x-18/3+6*6=42 | | 48q-8=51q-62 | | 2x-15=19-4-10 | | 42a+5-31a=27 | | (11x)-(9x)=18 | | (6b^3+3b^2+8)-(2b^3-8b+6b-5)= | | x-12-3=23-13 | | 8x+-3=27 | | 3(m-8)+6(m-19)=6 | | (25-2-3)x=3 | | 12a^2-25ab+12b^2= | | 2x+-6=16 | | 3x+2(x-2)=x-6 |

Equations solver categories