8a-2=12+9

Simple and best practice solution for 8a-2=12+9 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 8a-2=12+9 equation:


Simplifying
8a + -2 = 12 + 9

Reorder the terms:
-2 + 8a = 12 + 9

Combine like terms: 12 + 9 = 21
-2 + 8a = 21

Solving
-2 + 8a = 21

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + 8a = 21 + 2

Combine like terms: -2 + 2 = 0
0 + 8a = 21 + 2
8a = 21 + 2

Combine like terms: 21 + 2 = 23
8a = 23

Divide each side by '8'.
a = 2.875

Simplifying
a = 2.875

See similar equations:

| 3x^2-2x+7=8 | | 16y^2=20y-6 | | -2x(7x-7)(9x+1)=0 | | 6+4(1-9c)=21 | | 4(x-1)+7=5(2x-3) | | ln(x+3)=ln(2x-3) | | (3x)-1=9+X | | 1/4+x-1/4=3/8 | | a^2+25=-10a | | 6y+7=10y-5 | | 9(7x-4)=117 | | X^4+3x^3+3x^2-12x-28=0 | | 9u+11=-2(u-2) | | -6(3k-2)=-28 | | 27=5(v+5)-7v | | .8x+5=14.6 | | y^2+1=2y | | Ln(4-x)=ln(x+8)+ln(2x+13) | | 4b^2+5b-6=0 | | 0=12+x^2-3x-x+3 | | -1xt=11 | | 7+3w=-5 | | 10h-21=59 | | 125-x=170 | | 5a^2-6a-8=0 | | 7(x+3)-2(x-5)= | | -8=-2+v | | 36x=40x^2-4x^3 | | 10h+3=83 | | 12=6(2)+b | | 6x-4+87=12x+11 | | 20=2(u+2)-6u |

Equations solver categories