y+9=3(y-4)

Simple and best practice solution for y+9=3(y-4) 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 y+9=3(y-4) equation:


Simplifying
y + 9 = 3(y + -4)

Reorder the terms:
9 + y = 3(y + -4)

Reorder the terms:
9 + y = 3(-4 + y)
9 + y = (-4 * 3 + y * 3)
9 + y = (-12 + 3y)

Solving
9 + y = -12 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
9 + y + -3y = -12 + 3y + -3y

Combine like terms: y + -3y = -2y
9 + -2y = -12 + 3y + -3y

Combine like terms: 3y + -3y = 0
9 + -2y = -12 + 0
9 + -2y = -12

Add '-9' to each side of the equation.
9 + -9 + -2y = -12 + -9

Combine like terms: 9 + -9 = 0
0 + -2y = -12 + -9
-2y = -12 + -9

Combine like terms: -12 + -9 = -21
-2y = -21

Divide each side by '-2'.
y = 10.5

Simplifying
y = 10.5

See similar equations:

| g/-5+3=-15 | | (x+y^2)-9=0 | | X^4-20x^2-64=0 | | 2y+7+9=7y+1 | | 35-5x=5x | | 12x-215=4x-7 | | 5x+10=10x | | 9.2x=4.3x | | x/4=54 | | -40=8/5b | | x/4=22 | | 1/5(6n)=-6 | | 6m/5=-6 | | 3(2y+3)=21 | | -x/7=4 | | -1/7x=4 | | 7x=3/4 | | 7x=.75 | | 6x+30=4x+76 | | 5x=480.5 | | 5x=4801/2 | | -8.8=2.2x | | 0.8y=3.20 | | t^2+20t-100= | | 4-6=-210 | | y=x*2/9 | | 5x+25=14x-113 | | 2x^3-x^2+18x=0 | | x+11=15-2x | | 3x=4+x/2 | | x^4+39y^2+350=0 | | 16x^4-x^2-15=0 |

Equations solver categories