a+13=12

Simple and best practice solution for a+13=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 a+13=12 equation: 


Simplifying
a + 13 = 12

Reorder the terms:
13 + a = 12

Solving
13 + a = 12

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + a = 12 + -13

Combine like terms: 13 + -13 = 0
0 + a = 12 + -13
a = 12 + -13

Combine like terms: 12 + -13 = -1
a = -1

Simplifying
a = -1

See similar equations:

| 6y=2 | | 6k^2+6k+k^2+9k= | | k/3=k/9+6/3 | | 20-24=3t | | W=200N*50D | | -28over-7-7=5 | | -4=4k-2-2k | | 12over-7-7=5 | | 4(2a+b)+2(6a+2b)= | | 9t(t-7)=0 | | 7*1-7=5 | | 3c-6=9 | | 5(0.6b+0.4c)+b= | | x^3-2x^2-3x-7=0 | | 3a-6=9 | | 6s+2(t+3s)+5(s+4t)= | | -a-a=2 | | x^3-2x^2+3x-7=0 | | 2s+7=79 | | 3(2c+d)+4(c+4d)= | | 2(3x+y)+5(x+2y)= | | (p+2n)+7p= | | 1/3x=1/6 | | x-8.7=-3.2 | | 3(5)+6(7)= | | p+29=15 | | 6(2x+4y)+2(x+9)= | | 2/3+1/2(x+10)+4/3 | | (5x+3)(5x+3)=16 | | 12*11*10*9*8*7*6*5*4*3*2*1= | | x-7.3=-3.5 | | 2(2h+3)=10 |

Equations solver categories