-2x-9=-21

Simple and best practice solution for -2x-9=-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-9=-21 equation: 


Simplifying
-2x + -9 = -21

Reorder the terms:
-9 + -2x = -21

Solving
-9 + -2x = -21

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + -2x = -21 + 9

Combine like terms: -9 + 9 = 0
0 + -2x = -21 + 9
-2x = -21 + 9

Combine like terms: -21 + 9 = -12
-2x = -12

Divide each side by '-2'.
x = 6

Simplifying
x = 6

See similar equations:

| 42=-1.4v | | 5x^2-7x-3=3 | | 2(x+4)=3(c-2) | | 8r+19r=162 | | -(8x+2)-(-7x-8)=0 | | 21+7x=-5x-5(7-4x) | | 3x^3-8x^2-16x=0 | | 16+x=-19 | | 4(3x-2)=-56 | | -5.3333333=8w | | 0.8(4x+7)=2.7-(x-3) | | By+6-9n=2-h-15 | | 3x^2-4x-16=0 | | 2.5v-2=4 | | -5.3=8w | | 9s=-45 | | 3(3x+2)+5=5(3x-8)+9 | | 36x-36=36x+3 | | 2x+1=33 | | -9(3b+4)+(28b-4)=0 | | 5(3-x)=4x-21 | | -.625u=35 | | -6(2x-5)=150 | | 8=4(h-2)+8 | | 2(12-8x)=2-11x | | -43=.5(-9.81)t^2 | | 4.9q-2.4-4.4q=-0.5q-5.8 | | -2(x-1)=x+3 | | 2n+5=1 | | -(4r+4)=-14-6r | | 5+2x-4=8x+9-5x | | 6x^2=7x+10 |

Equations solver categories