15=3(x-4)-(x-9)

Simple and best practice solution for 15=3(x-4)-(x-9) 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 15=3(x-4)-(x-9) equation: 


Simplifying
15 = 3(x + -4) + -1(x + -9)

Reorder the terms:
15 = 3(-4 + x) + -1(x + -9)
15 = (-4 * 3 + x * 3) + -1(x + -9)
15 = (-12 + 3x) + -1(x + -9)

Reorder the terms:
15 = -12 + 3x + -1(-9 + x)
15 = -12 + 3x + (-9 * -1 + x * -1)
15 = -12 + 3x + (9 + -1x)

Reorder the terms:
15 = -12 + 9 + 3x + -1x

Combine like terms: -12 + 9 = -3
15 = -3 + 3x + -1x

Combine like terms: 3x + -1x = 2x
15 = -3 + 2x

Solving
15 = -3 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
15 + -2x = -3 + 2x + -2x

Combine like terms: 2x + -2x = 0
15 + -2x = -3 + 0
15 + -2x = -3

Add '-15' to each side of the equation.
15 + -15 + -2x = -3 + -15

Combine like terms: 15 + -15 = 0
0 + -2x = -3 + -15
-2x = -3 + -15

Combine like terms: -3 + -15 = -18
-2x = -18

Divide each side by '-2'.
x = 9

Simplifying
x = 9

See similar equations:

| (5x^2+8x-64)= | | 4x^2-36x-81=0 | | x+28=9x | | -7c+15d+9d-84c= | | -9=2-(6-N) | | 4(x+1)=7(x-2)+3 | | a+9=8[a-(a-2)] | | 5x-6=2x-45 | | (3/4)x-6=(1/3)x-1 | | X+7-x=19-2x | | 8x-(4x+5)=31 | | K-7+8k=16 | | (y^5)-2= | | 88=125-(-8) | | (3x^2)^2y^4/3y^2 | | 20-6x=-52 | | 3-4/5y=19 | | (5/2)ln(1/e^(2/5)) | | -(6k-1)+6=7 | | x-5-4x=2(1-7x)-7(-8x+1) | | 3r/4=12 | | e^9x=1.4 | | -28x+7y+7=0 | | 20v+10=-27 | | y=1/2*4 | | y+1/2*4 | | -16+1/4s=-29 | | -8z-7+5=-5z-3 | | y=1/2*2 | | 2y-6y=-4 | | y=1/2*0 | | -12=24+-12y |

Equations solver categories