-3*x+(-12)=15

Simple and best practice solution for -3*x+(-12)=15 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 -3*x+(-12)=15 equation:


Simplifying
-3x + (-12) = 15
-3x + -12 = 15

Reorder the terms:
-12 + -3x = 15

Solving
-12 + -3x = 15

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + -3x = 15 + 12

Combine like terms: -12 + 12 = 0
0 + -3x = 15 + 12
-3x = 15 + 12

Combine like terms: 15 + 12 = 27
-3x = 27

Divide each side by '-3'.
x = -9

Simplifying
x = -9

See similar equations:

| 8(1y+4)-2(1y-1)=70-3y | | 0=6.9495+-9.8(t) | | 15*(4.10+8.20+x)=197.25 | | 3x^4=15x^3 | | 350x-5x^2=50x+10x^2 | | n^2-10n-62=-6 | | 2x*x-9+2=0 | | 2x*x-9x+2=0 | | (6-36i)/(6-i) | | 12-5y+4=-y-5+3y | | 40x=-1200 | | 15x^2-300x=0 | | 0=25X-8 | | 25.4+x=32 | | 196+b=264 | | 9(m-3)+3m=7m | | n^2=41 | | d-412=128 | | d-267=145 | | 8c+5c=21 | | c=2pieD | | -3x-2y=7.5 | | ln(X)=2.32 | | 5x-3+7x=15x+6 | | 6x=(3x+3)2 | | X^2-3x-4=2x+20 | | 5(3z+1)-7=73 | | -12v+3=8v+1 | | H(t)=-5t^2-10t+40 | | 6(1x-5)=2(1x+5) | | 5b*b+4ab*b-b(a-b)= | | 2(3x-4)=-2x+4 |

Equations solver categories