5x+21=8x-6

Simple and best practice solution for 5x+21=8x-6 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+21=8x-6 equation:


Simplifying
5x + 21 = 8x + -6

Reorder the terms:
21 + 5x = 8x + -6

Reorder the terms:
21 + 5x = -6 + 8x

Solving
21 + 5x = -6 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
21 + 5x + -8x = -6 + 8x + -8x

Combine like terms: 5x + -8x = -3x
21 + -3x = -6 + 8x + -8x

Combine like terms: 8x + -8x = 0
21 + -3x = -6 + 0
21 + -3x = -6

Add '-21' to each side of the equation.
21 + -21 + -3x = -6 + -21

Combine like terms: 21 + -21 = 0
0 + -3x = -6 + -21
-3x = -6 + -21

Combine like terms: -6 + -21 = -27
-3x = -27

Divide each side by '-3'.
x = 9

Simplifying
x = 9

See similar equations:

| 8(7+9p)= | | (2v-18)(v^2+2v-8)=0 | | 2y-5y=-1 | | 3n=5/7 | | 8(-5+7x)=17-x | | (7v^2+7v-4)(2v^2-v-6)=0 | | 0=x^4+2x^2+36 | | 1/12(28+24)=2(17-4g) | | 4k^2+2k=1 | | -5(x)=5x-3 | | 5x+9=-19-2x | | 2(2x-5)+2(7)=24 | | 3(g+4)+-8=-19 | | 2m+4(m-3)=-24 | | 10-x+3=-3+15x-2x+2x | | 2y=-2.3 | | 7(6x^2-5x-8)=0 | | 2x+5(x+2)=171 | | -4+5x=-5x+86 | | 2.1x+1.4x-4.6=2.2 | | (4-v)(5v+9)=0 | | 22-11/35 | | 5y=-4.7 | | P=150+3.5m | | 3(n^2+8n+8)=0 | | -3(4-x)=10-25+5x | | 0.6/0.02 | | 3.5k+2-2.5k=8 | | n+3n+16=116 | | -91=-7(m+8) | | 12=a-8 | | g=2d+f |

Equations solver categories