x+21=5x+3

Simple and best practice solution for x+21=5x+3 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+21=5x+3 equation:


Simplifying
x + 21 = 5x + 3

Reorder the terms:
21 + x = 5x + 3

Reorder the terms:
21 + x = 3 + 5x

Solving
21 + x = 3 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
21 + x + -5x = 3 + 5x + -5x

Combine like terms: x + -5x = -4x
21 + -4x = 3 + 5x + -5x

Combine like terms: 5x + -5x = 0
21 + -4x = 3 + 0
21 + -4x = 3

Add '-21' to each side of the equation.
21 + -21 + -4x = 3 + -21

Combine like terms: 21 + -21 = 0
0 + -4x = 3 + -21
-4x = 3 + -21

Combine like terms: 3 + -21 = -18
-4x = -18

Divide each side by '-4'.
x = 4.5

Simplifying
x = 4.5

See similar equations:

| 8b-8=5b+20+8 | | x+3x+16= | | 5x-5=6x | | 5*x=17 | | s-(-4s-2)=13 | | 12x-24=18x+36 | | 2x+3x+62=180 | | z^2-12z+36=-16 | | 5x-24+45+10=14-2x+25 | | x+2x+13= | | -9x+3+2x-9y-8= | | 9x=88 | | 2x(-y+5)=2x-y+5 | | x^3+5x^2-24x-8=0 | | 6-4a=18 | | 3x-2=23 | | -3.4y=1.70 | | 7x+2(x-3)=4(x+1)-3 | | 3x+7+8x+6=90 | | 2x^2-5x+1=4 | | x^2+5x-8=0 | | b-9+66=30 | | -4(2+x)=8 | | 6-5=-29 | | 6(1+c)=5(c-2) | | 6x+17+10x+5=70 | | -5(4x-4)+6x=7x-2 | | 0.05x-5=0.4(x-9) | | 2x^2=-4x-5 | | -76=7x+3x-6 | | -76=7x+3x-6 | | 175=5x^3 |

Equations solver categories