-x-(-9)=-12

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


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

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

Reorder the terms:
9 + -1x = -12

Solving
9 + -1x = -12

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 + -1x = -12 + -9

Combine like terms: 9 + -9 = 0
0 + -1x = -12 + -9
-1x = -12 + -9

Combine like terms: -12 + -9 = -21
-1x = -21

Divide each side by '-1'.
x = 21

Simplifying
x = 21

See similar equations:

| -8x+6=70 | | -5w-10w-18=12 | | x-(-3)=29 | | 2x-2+5(x+1)=6x-6 | | 90*10= | | 8+3x=-25 | | 4x*h^3-4y*s^3=7595 | | 2(x-4)=-38+7x | | 90*2= | | 296+6399.739/555*44+90= | | 6i-(12-3i)= | | 4+6(2x-5)-5= | | 3y-15=17-y | | 2500-4x*h^3=7595 | | -2(1-3x)=4x+13 | | 155=5b-4(b-11) | | x-4=2x+9 | | 5u-25= | | 2x^2+2y^2-20x-16y-160=0 | | -log(x)=6.5 | | 33-(b-4)=-10+69.3 | | a+6=9-5a | | 3r-7=(4-3r) | | 49z^2-121=0 | | 16t^2+105t=0 | | 60-6(-10)=x | | -3x+2x-9=7x-8 | | 4r-6=15 | | x^2+y^2-2x+4y=-1 | | 2180000x^2=0.275-2x | | 12x^2+7x-5=o | | 3(t-4)=254 |

Equations solver categories