3x+21=-8

Simple and best practice solution for 3x+21=-8 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 3x+21=-8 equation: 


Simplifying
3x + 21 = -8

Reorder the terms:
21 + 3x = -8

Solving
21 + 3x = -8

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 3x = -8 + -21

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

Combine like terms: -8 + -21 = -29
3x = -29

Divide each side by '3'.
x = -9.666666667

Simplifying
x = -9.666666667

See similar equations:

| 64x^2+16x-11=0 | | 3(2x-5)-(5x+3)=4(-x-5) | | 0.92x+50=x | | 14y-9=9y+1 | | 10x=5x+1 | | 9v-3=33 | | -6x+2y=28 | | 10x=5x-1 | | 16y^10/5 | | 4x+4(6x-x)-2x= | | v+14=24 | | 60/70=5/11x-4 | | y-10=9x+72 | | 5x+8=5x | | (6/5a)3 | | 9+72=4x+112 | | 3a+1=-26 | | 7a+4b-(-5a-7b)= | | x^2+8x+16=0graph | | 1/2y=2x=10 | | graphx^2+8x+16=0 | | 2x-5(x-3)=-2+5x-39 | | Y=-14+8x | | y=ln(sin(x)+2) | | 5x+100=3x+113 | | -1x-5=5x-14 | | 28y=78 | | y=ln(sinx+2) | | -1x-5=5x | | 3x-10+y=50 | | 10y+6=8y-6 | | .25x+.25=-.75 |

Equations solver categories