-2x-4=3x+21

Simple and best practice solution for -2x-4=3x+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 -2x-4=3x+21 equation:


Simplifying
-2x + -4 = 3x + 21

Reorder the terms:
-4 + -2x = 3x + 21

Reorder the terms:
-4 + -2x = 21 + 3x

Solving
-4 + -2x = 21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-4 + -2x + -3x = 21 + 3x + -3x

Combine like terms: -2x + -3x = -5x
-4 + -5x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
-4 + -5x = 21 + 0
-4 + -5x = 21

Add '4' to each side of the equation.
-4 + 4 + -5x = 21 + 4

Combine like terms: -4 + 4 = 0
0 + -5x = 21 + 4
-5x = 21 + 4

Combine like terms: 21 + 4 = 25
-5x = 25

Divide each side by '-5'.
x = -5

Simplifying
x = -5

See similar equations:

| 2x-6=30+4x | | 14-6z=12-6z | | 2x+2y=-14 | | 6b+20=16 | | v^2=-54-15v | | x-2=2x-5 | | 3(5x-4)=48 | | X+7(-1)= | | -8+2y+3y^2=0 | | x+92x=558 | | 43x=-6 | | 8k-4=5k+3 | | x^2+2x=-32 | | 4+2.5x=7+1.5x | | -2b=7-b | | abs(4u+7)=abs(4u+5) | | 1.1x+1.8x-3.5=11 | | 1000+200x=500+250x | | Lnx=lnx^2 | | 1.7x+3.4=8.5 | | -2.3+-5.9= | | 40-14y=19 | | 0.4(25z-30)=0.75(12z+16) | | 3x+6=-12+9x | | -7x+12=-3x | | 6(y-3)-4=32 | | -10.5+.4=4x+1.6 | | V^2+4v+31=-5 | | 2(m+3)=12 | | 8x=-x+72 | | 6+4j=10j | | Ln(2-x)=-3 |

Equations solver categories