5x+8=21x

Simple and best practice solution for 5x+8=21x 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 5x+8=21x equation:


Simplifying
5x + 8 = 21x

Reorder the terms:
8 + 5x = 21x

Solving
8 + 5x = 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
8 + 5x + -21x = 21x + -21x

Combine like terms: 5x + -21x = -16x
8 + -16x = 21x + -21x

Combine like terms: 21x + -21x = 0
8 + -16x = 0

Add '-8' to each side of the equation.
8 + -8 + -16x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -16x = 0 + -8
-16x = 0 + -8

Combine like terms: 0 + -8 = -8
-16x = -8

Divide each side by '-16'.
x = 0.5

Simplifying
x = 0.5

See similar equations:

| 60=4 | | 10l=150 | | 2x+3=x^2 | | 2k=9 | | 2x+6=3x+13 | | 10-6(4+b)=b-14 | | 7x+5=10+2x | | 4x^2-28x+49=4 | | 7i+3=38 | | 4x^2-53x+130=0 | | 4y^2-48=0 | | 4f+5=f+11 | | 5(2x-2)-2(9x)=1 | | af+5=f+10 | | 49n^2-16=0 | | 3(-2)+2(-2)=-10 | | a-7=9 | | 10c=5 | | 2b=9 | | 3x^2-7x=-1 | | 9p-13p=24 | | 4x^2-4x+5=0 | | 7x+49=9x+36 | | 2(4a-8)+3=3a-6 | | z^2+5z=50 | | 2(v+7)=9v+42 | | 3y^2-8y=3 | | (x+7)(x+7)=19 | | (x-3)(4x+5)=(2x-6)(2x-1) | | n/2+5/3=1/6 | | 5(3x-1)+4=10x+6 | | X^3+X^2-21X-48=0 |

Equations solver categories