30=5a-2a+12

Simple and best practice solution for 30=5a-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 30=5a-2a+12 equation: 


Simplifying
30 = 5a + -2a + 12

Reorder the terms:
30 = 12 + 5a + -2a

Combine like terms: 5a + -2a = 3a
30 = 12 + 3a

Solving
30 = 12 + 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.
30 + -3a = 12 + 3a + -3a

Combine like terms: 3a + -3a = 0
30 + -3a = 12 + 0
30 + -3a = 12

Add '-30' to each side of the equation.
30 + -30 + -3a = 12 + -30

Combine like terms: 30 + -30 = 0
0 + -3a = 12 + -30
-3a = 12 + -30

Combine like terms: 12 + -30 = -18
-3a = -18

Divide each side by '-3'.
a = 6

Simplifying
a = 6

See similar equations:

| 6.2-5.4x+4.6x=-4.2 | | logx=1.66667 | | 3.7=5.8Z-5.5z+4.3 | | -4y+1=9 | | 2y=30x-36 | | 2x=4x+12 | | 18+w-13=-20 | | -5-11-h=-7 | | 12x(x^2-x)=0 | | y+3=-2(x-2) | | Y-6-10=0 | | -9=-15+b-3 | | -8-n+14=6 | | 10+k+6=22 | | -6x(2x+1)+(13x-7)=0 | | -28+p=-3 | | -5(4+x)=0 | | T-24=12 | | -8+b=-5 | | 27=x-14 | | -15=n-22 | | -9=k-11 | | 5x^2+14x-48=0 | | T-19=23 | | -2+5=-13 | | W-18=7 | | 16=0.5x-8 | | 3+5m=8m-9 | | 0.2x+3=8.6 | | A-20=-3 | | 16x-6.5=9.5 | | -7+d=-26 |

Equations solver categories