[3y+6]=21

Simple and best practice solution for [3y+6]=21 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 [3y+6]=21 equation:


Simplifying
[3y + 6] = 21

Reorder the terms:
[6 + 3y] = 21

Remove brackets around [6 + 3y]
6 + 3y = 21

Solving
6 + 3y = 21

Solving for variable 'y'.

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

Add '-6' to each side of the equation.
6 + -6 + 3y = 21 + -6

Combine like terms: 6 + -6 = 0
0 + 3y = 21 + -6
3y = 21 + -6

Combine like terms: 21 + -6 = 15
3y = 15

Divide each side by '3'.
y = 5

Simplifying
y = 5

See similar equations:

| sin^2x-sinx-2=0 | | -5x^2+3x+56=0 | | 3-2(11-8)=36x | | 600/283=? | | 5x^2=3x+56 | | 6x-14x+15=-35+11 | | 8v-9=-12 | | 8v-9=-11 | | (3+y)(5y+4)=0 | | 1=1/3x | | -y^2-2y-1=0 | | 6(x-9)-3=27x-120 | | 4x^2-49/2x-7 | | -(2+7x)-6(-7-x)=36x | | 3x-4x=16 | | -5x+1=-80+4x | | y=1/3(-) | | -6=-2(n-5) | | 2p-6=-8 | | (x+4)(x+4)=20 | | 4x=12/36 | | 881=1.141*8x+8x+1x | | 7x+2(6)=24 | | (2s+3)(s+4)=228byfactoring | | 1/2(h)-16=5/8(h) | | 2x-1/2=1/3 | | 10-2q=1+q | | 5+2x=11+1 | | log(7x)=3.9 | | y=-0.285714286*50+160 | | 2tan^2(x)+9tan(x)+3=0 | | 2tan^2(x)-9tan(x)+3=0 |

Equations solver categories