-3x=12-(-9)

Simple and best practice solution for -3x=12-(-9) 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=12-(-9) equation: 


Simplifying
-3x = 12 + -1(-9)

Multiply -1 * -9
-3x = 12 + 9

Combine like terms: 12 + 9 = 21
-3x = 21

Solving
-3x = 21

Solving for variable 'x'.

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

Divide each side by '-3'.
x = -7

Simplifying
x = -7

See similar equations:

| 3(x-5)=-27 | | -3-6=-2+x | | 5x+40=3x | | 6x^3=17x^2-5x | | -5p^3+5p^2+360p= | | -7(x+5)-10=14+4 | | 16360=476(x-20) | | 16360=476(58-20) | | 2x=27x | | 6(n+5)=71 | | 12(x-7)=-4-8 | | 4730=3(x+150)+5x | | 19x=27x | | 18-11r=13 | | -4x-6=-34+3x | | 4(6-x)-2(-6-7x)= | | 16360=x-476 | | n*8=8*29 | | 7-(4y-3)+2y-4=0 | | -32/h=-1/3 | | 2(c-6d^2)-5(3c-d^2)= | | -4=d+5/5 | | 161/3.5 | | -1/4=-3p | | 3(y+6)=42 | | 9x+5-8x=14 | | 3.5/161 | | -(x+3)-(5x+3)=3 | | 11+6m=5+5m | | 3(4x-7)=-3 | | 3(3u-4)=51 | | 2x^2+3*2=10 |

Equations solver categories