x-9=3(x+4)

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


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

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

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

Solving
-9 + x = 12 + 3x

Solving for variable 'x'.

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

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

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

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

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

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

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

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

Simplifying
x = -10.5

See similar equations:

| x^2-15x-33=0 | | 1/2v^-4 | | 5x+8=110 | | 2(3x-4)=-3(x+1) | | 24(42)=(x+8)2x-4 | | 8x-5(2x-1)=-19 | | -64=-16m | | 5k+-20=4+-3k | | x^2+72=3x | | 13x-(7x-8)=5(10-2) | | 3/4(x-2)=12 | | 156=24h+36 | | 5.6+4y-4-3y=12.4 | | -(7x+3)-3=-6x-(x+6) | | 2x(x+3)(3x-2)=0 | | 9(v-1)=36 | | 0.1a+8-7a= | | 9+18y=3 | | C/2.5=8 | | 3.6d=40.8 | | 26x^2-23xy+5= | | y*2+y*3=12 | | 22=d/-3 | | -10=-2/3d | | 5x-3(y-x)= | | 3x+2x-8+x= | | -4d+18.5=160.3 | | z^2-(6+6i)z-1+18i= | | 12(x-20)=-20 | | 35x3/5 | | x-25=-78 | | z^2-(6+6i)z+(-1+18i)=0 |

Equations solver categories