13=4-12+3a

Simple and best practice solution for 13=4-12+3a 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 13=4-12+3a equation:


Simplifying
13 = 4 + -12 + 3a

Combine like terms: 4 + -12 = -8
13 = -8 + 3a

Solving
13 = -8 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
13 + -3a = -8 + 3a + -3a

Combine like terms: 3a + -3a = 0
13 + -3a = -8 + 0
13 + -3a = -8

Add '-13' to each side of the equation.
13 + -13 + -3a = -8 + -13

Combine like terms: 13 + -13 = 0
0 + -3a = -8 + -13
-3a = -8 + -13

Combine like terms: -8 + -13 = -21
-3a = -21

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

Simplifying
a = 7

See similar equations:

| 4x+30=x+9 | | S=1.18f-22 | | -2=2n-n | | h^5+4=-9 | | 1.3w=?mg/ml | | 0.75x+5=0.25x+7 | | (18x-12)-(-13x+17)= | | 72+4-14p=34 | | 100=21x+x^2 | | -38=3x+31 | | S+39=159 | | 2x-8=2/3x | | 5x^2+9=4x+5 | | 1.3w/w | | -2(4+0.8t)=4-(-3.2t) | | 4/24=x/7 | | -5(4x-2)=-2(3+2x) | | 5-x=9x | | 7x+0.25=5x+0.75 | | 12=7xm | | 24b/6b= | | X-3=0.2 | | 8(9-j)=13 | | 7x+0.25x=5x+0.75x | | f(x-1)=5x^2-4x+7 | | 10-4x=-58 | | 7x+0.25x=5x+0.75 | | 4x+20+5x-15= | | 17-4x=x | | f(x)=5x^2-4+7 | | 100x+2=40 | | 3x+4=1x+1 |

Equations solver categories