4x+3=-8x-21

Simple and best practice solution for 4x+3=-8x-21 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 4x+3=-8x-21 equation:


Simplifying
4x + 3 = -8x + -21

Reorder the terms:
3 + 4x = -8x + -21

Reorder the terms:
3 + 4x = -21 + -8x

Solving
3 + 4x = -21 + -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.
3 + 4x + 8x = -21 + -8x + 8x

Combine like terms: 4x + 8x = 12x
3 + 12x = -21 + -8x + 8x

Combine like terms: -8x + 8x = 0
3 + 12x = -21 + 0
3 + 12x = -21

Add '-3' to each side of the equation.
3 + -3 + 12x = -21 + -3

Combine like terms: 3 + -3 = 0
0 + 12x = -21 + -3
12x = -21 + -3

Combine like terms: -21 + -3 = -24
12x = -24

Divide each side by '12'.
x = -2

Simplifying
x = -2

See similar equations:

| (X+3)(x-2)=4(x+1) | | 3(9x+6)=27x-5 | | =(-3d+8)(8+3d) | | 2*3X+3X+25=385 | | 15x^2-44*x+21=0 | | =(3d+8)(8+3d) | | 6x+58+8x+10=180 | | 11=h/6+6 | | 0.8y=1/5x | | 10b+5=-22 | | 8x^2+4=1156 | | a-2=7 | | 2X+X+X+4=52 | | 3(2x+4)+6=2(x-1)+4 | | 2x^2-12x=16 | | 23+3=9 | | 2x^2-6x=16 | | 9+8=0 | | 2x(-3)-7=-11 | | 4a=76 | | 144-2x=25x+18 | | 0=-2x^2+18 | | 5x+9=61-9x | | 2-13-9x=7x+19 | | x=11x-8 | | 2(x+5)+4(2x-1)=-14 | | x=6x+57 | | (3+m)+7=m+10 | | 15x+9=-61-9x | | x^2+3x=9x | | 10+5x=-x+46 | | 6x+3=-7x-62 |

Equations solver categories