81=3a-8a-4a

Simple and best practice solution for 81=3a-8a-4a 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 81=3a-8a-4a equation:


Simplifying
81 = 3a + -8a + -4a

Combine like terms: 3a + -8a = -5a
81 = -5a + -4a

Combine like terms: -5a + -4a = -9a
81 = -9a

Solving
81 = -9a

Solving for variable 'a'.

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

Add '9a' to each side of the equation.
81 + 9a = -9a + 9a

Combine like terms: -9a + 9a = 0
81 + 9a = 0

Add '-81' to each side of the equation.
81 + -81 + 9a = 0 + -81

Combine like terms: 81 + -81 = 0
0 + 9a = 0 + -81
9a = 0 + -81

Combine like terms: 0 + -81 = -81
9a = -81

Divide each side by '9'.
a = -9

Simplifying
a = -9

See similar equations:

| (134-32)0.56=C | | (x+8)(x+14)=0 | | -3x-7=-16 | | (-2-32)0.56=C | | (9x+7)(7x-9)=0 | | (110-32)0.56=C | | 8x-5=6x+3 | | 53=12(m-75)-16 | | 8p+5=11+7p | | 8p+5=11+2p | | f(b)=189+11.15b | | X^2-1X=9 | | -12=-5p+8+6p | | x-6=2x+2 | | 1+4k=2.4+4.4k | | 8-b+6b+12+b= | | 6(y-3)-5=19 | | 9x+6=12x | | a-4.8=.32-5.4a | | 10x-11-4x=43 | | 2.5(a+4)-3.2=14.3 | | 10x-3-2x=4 | | 10x+5y=130 | | 5n+7-3n=19 | | 6(n-7)+40=4 | | 1=p+11 | | 4=b+7 | | 2-5(x+2)=-18 | | 8x=36-x | | -3+4p-2p=1 | | k-4=3 | | 8x-7=5+4x |

Equations solver categories