8x-21=5x-30

Simple and best practice solution for 8x-21=5x-30 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 8x-21=5x-30 equation:


Simplifying
8x + -21 = 5x + -30

Reorder the terms:
-21 + 8x = 5x + -30

Reorder the terms:
-21 + 8x = -30 + 5x

Solving
-21 + 8x = -30 + 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 + 8x + -5x = -30 + 5x + -5x

Combine like terms: 8x + -5x = 3x
-21 + 3x = -30 + 5x + -5x

Combine like terms: 5x + -5x = 0
-21 + 3x = -30 + 0
-21 + 3x = -30

Add '21' to each side of the equation.
-21 + 21 + 3x = -30 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = -30 + 21
3x = -30 + 21

Combine like terms: -30 + 21 = -9
3x = -9

Divide each side by '3'.
x = -3

Simplifying
x = -3

See similar equations:

| 8(6x+6)=432 | | 9x/4 | | y=10(1)+b | | 6x+31=3x+70 | | 2x-2+9= | | v+6+2v=12 | | 4+2s-1=7s+12 | | 4x+30+2x=360 | | 5(m+2)=2 | | Z+3=-9 | | 1/2*2w=17 | | X^2-10/3x-1 | | 4(6a-1)=140 | | -u+4=u+6 | | -6n+22=12n-15 | | h=272t-16t | | f(-7)=3x-8 | | 2(X-1)+3(X+2)= | | x^3=x^2-1 | | -8+14+12x-18= | | 16y+4x=8 | | 3(4K-1)-2(k+2)= | | 10x-9+2x+4= | | 5x+2x-4x= | | 1200-8x=640+8x | | a=b/12 | | 275+55x=440 | | 10x+2=4y+5 | | 920-5x=100-10x | | 1.4x-2+x-4.6= | | 10+3x=18+5x | | x+y^2=13 |

Equations solver categories