-3-2a=12

Simple and best practice solution for -3-2a=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 -3-2a=12 equation: 


Simplifying
-3 + -2a = 12

Solving
-3 + -2a = 12

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + -2a = 12 + 3

Combine like terms: -3 + 3 = 0
0 + -2a = 12 + 3
-2a = 12 + 3

Combine like terms: 12 + 3 = 15
-2a = 15

Divide each side by '-2'.
a = -7.5

Simplifying
a = -7.5

See similar equations:

| 2(5p-3)-4(p-4)= | | 3x(5-x)=0 | | 9y+8=13y+8 | | (-6)(7)(8)(-2)= | | 2b+7b=18 | | 10x+9-9x=16 | | 3y=28 | | 8y-7y=8 | | (8x-6)+5= | | (-3)(5)(-4)= | | x^4+6x^2+25=0 | | 104-(4x+14)=4(x+9)+x | | 4-10w^2+6w^4-w^6=0 | | 18q-17q=10 | | 14/42=17/x | | 17/x=49/441 | | (4/13)X=28 | | -6r-1.7-.2r-.4r-2= | | 3(5x-1)=2(7x+2) | | 4/x=4/36 | | 17q-17q=10 | | (33X-6)-8(4X+3)=-3 | | 4x-5x+x-4+3x= | | 12/624=x/364 | | x^3-x^2-2x-3=0 | | (-11)x(-5)= | | 3(6x+5)=4(4x+5) | | -9x+6x+17-12x= | | 624/12=364/x | | -6=-3 | | x^3-x^2-2x-x-3=0 | | 18q-17g=10 |

Equations solver categories