3x+4=9-x

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


Simplifying
3x + 4 = 9 + -1x

Reorder the terms:
4 + 3x = 9 + -1x

Solving
4 + 3x = 9 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
4 + 3x + x = 9 + -1x + x

Combine like terms: 3x + x = 4x
4 + 4x = 9 + -1x + x

Combine like terms: -1x + x = 0
4 + 4x = 9 + 0
4 + 4x = 9

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

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

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

Divide each side by '4'.
x = 1.25

Simplifying
x = 1.25

See similar equations:

| 4x+6+5x=-12 | | 20x+2y=-4 | | 14x^3+6x^2+6x= | | a-5=15 | | (z^2-3z+4)(z^2+3z+4)=0 | | 4v^2-12vp+9p^2= | | 3y+4=-29 | | 5m^2+17m-12=0 | | 5x^2+29x-42= | | 49c^2+41c+9= | | 60a^5-20a^7= | | z^4-z^2+16=0 | | -2x-12=-2 | | H(t)=-16t^2+48t+3 | | 3m^2+2m-8=0 | | 6w-8=32 | | 15*w+z-42=14 | | x=3a+4b | | x^4+x^3-x^2-17x-4=0 | | 6w+6=5 | | 4y^2+3y-27=0 | | 25s^3-9s=0 | | ln(x)-2=ln(x-5) | | 21x+189=252 | | 2x^2+4xy-8xz= | | 7x-(16-3x)=9x-13 | | 6a-4b+8c= | | (6x)(x+7)=0 | | 19.5=39.5+f | | 12x^2-18x^2-10xy+15x= | | 5p-7/4=2 | | 18x^3+9x^2-2x-1=0 |

Equations solver categories