4x+21=9x-4

Simple and best practice solution for 4x+21=9x-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 4x+21=9x-4 equation:


Simplifying
4x + 21 = 9x + -4

Reorder the terms:
21 + 4x = 9x + -4

Reorder the terms:
21 + 4x = -4 + 9x

Solving
21 + 4x = -4 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
21 + 4x + -9x = -4 + 9x + -9x

Combine like terms: 4x + -9x = -5x
21 + -5x = -4 + 9x + -9x

Combine like terms: 9x + -9x = 0
21 + -5x = -4 + 0
21 + -5x = -4

Add '-21' to each side of the equation.
21 + -21 + -5x = -4 + -21

Combine like terms: 21 + -21 = 0
0 + -5x = -4 + -21
-5x = -4 + -21

Combine like terms: -4 + -21 = -25
-5x = -25

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

Simplifying
x = 5

See similar equations:

| 16x^2-32x+16=32 | | 10X+35=135 | | -9p+6=-165 | | -3y+3y=24 | | 3p^2+4x-8=0 | | -3x+3(3x-3)=1-4x | | 2(8s+3)-10s=2(3s+3)-11 | | .65x+.05(20-x)=.10(106) | | -9p+6=165 | | (2x+5)=7 | | 3x^3=3x^2+36x | | 76X+14=-6X+154 | | 15-3x(-2)= | | 72x3/8 | | 5/x=6/4 | | 6i=90 | | 3x-(x+2)=8x+13(3-2x)-11 | | 3x^3y^2/6x^2y^5 | | 60=c+15 | | 123.7+-87(76-7)*6(8-n)-6=3(7687-7.5n)+89n | | 16(25)+25=74 | | a=b(a+b+c)2 | | 8=5l+3 | | 76X-14=-6X+154 | | 5x-2(3x+2)=1-2(4x+3) | | 12-(3y-2)=2(y-1)+3y | | n+(2n-1)+3n=125 | | 0.4h-5.3=-2 | | 14=5r-1 | | 0.5-0.7d=0.8 | | 5X=675 | | -49x^2=14x |

Equations solver categories