13=3(x-4)-(x-9)

Simple and best practice solution for 13=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 13=3(x-4)-(x-9) equation:


Simplifying
13 = 3(x + -4) + -1(x + -9)

Reorder the terms:
13 = 3(-4 + x) + -1(x + -9)
13 = (-4 * 3 + x * 3) + -1(x + -9)
13 = (-12 + 3x) + -1(x + -9)

Reorder the terms:
13 = -12 + 3x + -1(-9 + x)
13 = -12 + 3x + (-9 * -1 + x * -1)
13 = -12 + 3x + (9 + -1x)

Reorder the terms:
13 = -12 + 9 + 3x + -1x

Combine like terms: -12 + 9 = -3
13 = -3 + 3x + -1x

Combine like terms: 3x + -1x = 2x
13 = -3 + 2x

Solving
13 = -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.
13 + -2x = -3 + 2x + -2x

Combine like terms: 2x + -2x = 0
13 + -2x = -3 + 0
13 + -2x = -3

Add '-13' to each side of the equation.
13 + -13 + -2x = -3 + -13

Combine like terms: 13 + -13 = 0
0 + -2x = -3 + -13
-2x = -3 + -13

Combine like terms: -3 + -13 = -16
-2x = -16

Divide each side by '-2'.
x = 8

Simplifying
x = 8

See similar equations:

| 76+6x=-11x-145 | | G(x)=2x+1 | | 0.5x+1.9=0.8x-0.2 | | (4x-9z)(3x+5z)= | | 7x-20=33 | | (x^6y^-3/z^-1)-5 | | 0.19x+0.2(x-4)=0.01(5x-2) | | kx^2+k=8x-2xk | | 4(x-3)+1=6x-2(4+x) | | 1.67u-1.67=1.25-.67 | | 1.5x=x+15 | | 0.12(y-7)+0.18y=0.10y-0.6 | | .9y-3.6=-.3y+3 | | 7x-7=8+6x | | 3(4y+4)=10 | | 28x+35=8x-27 | | 4m=(m+4)(2-m) | | 14x-2=-3x-18 | | 7.25x+5.4y=730 | | 5.7x-3.1(x+5)=5.04 | | -2x/3-2-3 | | -[3z-(5z+8)]=8+(1z+7) | | 15x-25=4x+2 | | -15w+15=-15w+15 | | 9x+5=-8+3x+25 | | 6u+9=9u-18 | | 5x+2y-9z=13 | | 3x+10+6x-1=180 | | -8+3x=x-4 | | -8+x=x-4 | | a^2x+(a-1)=(a+1) | | 11-3x=-31 |

Equations solver categories