3x+9=8x-4

Simple and best practice solution for 3x+9=8x-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 3x+9=8x-4 equation:


Simplifying
3x + 9 = 8x + -4

Reorder the terms:
9 + 3x = 8x + -4

Reorder the terms:
9 + 3x = -4 + 8x

Solving
9 + 3x = -4 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
9 + 3x + -8x = -4 + 8x + -8x

Combine like terms: 3x + -8x = -5x
9 + -5x = -4 + 8x + -8x

Combine like terms: 8x + -8x = 0
9 + -5x = -4 + 0
9 + -5x = -4

Add '-9' to each side of the equation.
9 + -9 + -5x = -4 + -9

Combine like terms: 9 + -9 = 0
0 + -5x = -4 + -9
-5x = -4 + -9

Combine like terms: -4 + -9 = -13
-5x = -13

Divide each side by '-5'.
x = 2.6

Simplifying
x = 2.6

See similar equations:

| 198=7(b+1) | | 22.5*x=350 | | 196=7(b+1) | | 6(7x+8)-7(6x+4)=5(6+7x)-35(x-1) | | 8+9v=8(6v+1) | | z(z-5)=0 | | 8=2e-9e-34 | | f(x)=20-x | | x(-2)-2y=6 | | 17p-p-6=-36 | | 156.25-25x+2x^2=0 | | log(3x+6)=4 | | 3b-8=-15 | | 2x=(7000+-1x)+-1000 | | 100+100m=2800+10m | | z^2+7z-98=0 | | (ln(x-5)+ln(5x+1))=6 | | -18-3x=(4x+6) | | 2y+4=6-8y | | x(3)-2y=6 | | 4-3w=17 | | 88c^2-36c^2x-4c^2x^2=0 | | 11a-5=19a-57 | | (s-8)(s+9)=0 | | x(2)-2y=6 | | 2x=(7000-x)-1000 | | 13*-5+25=8*-5 | | 8-4x=x*x | | 240x-3x^2=4800 | | 6x+6(.5)=12 | | -9x-4y=-16 | | 11n+3=-5+12n |

Equations solver categories