4(a-9)=8a

Simple and best practice solution for 4(a-9)=8a 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 4(a-9)=8a equation:


Simplifying
4(a + -9) = 8a

Reorder the terms:
4(-9 + a) = 8a
(-9 * 4 + a * 4) = 8a
(-36 + 4a) = 8a

Solving
-36 + 4a = 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
-36 + 4a + -8a = 8a + -8a

Combine like terms: 4a + -8a = -4a
-36 + -4a = 8a + -8a

Combine like terms: 8a + -8a = 0
-36 + -4a = 0

Add '36' to each side of the equation.
-36 + 36 + -4a = 0 + 36

Combine like terms: -36 + 36 = 0
0 + -4a = 0 + 36
-4a = 0 + 36

Combine like terms: 0 + 36 = 36
-4a = 36

Divide each side by '-4'.
a = -9

Simplifying
a = -9

See similar equations:

| 4n+3n=-14 | | 3y^2=13y-4 | | -5(2-4s)=29 | | 10=5(v+6)+5(5v+2) | | 4+x=6x | | F(x)=2x^2+12x+12 | | -5+8r-8r=-5 | | -29=3(6c+4) | | 6+8x(6+4)= | | (5x+y)*(3x-2y)= | | -4-8y=24 | | 9y-18=30-3y | | 264=8(1-8x) | | -6x-4=56 | | .3X=.25X+17.78 | | 9n^2-9n-21=0 | | b+b=116 | | f(x)=x^5-4x^3+5x+2 | | 85=-6z+7+4x | | -2-2n+6=0 | | 12=3x+4(-9) | | kx^2+(3k-1)x-4=0 | | 9(6z-8)=29+7z | | 10x-4x+124=10x+56 | | 8x-4y=10-2x+6y | | 1-9r+9r=5 | | -3(-4+3)=39 | | k^2+4k-2=3 | | x^2-10.59x-40.7=0 | | lhw=w | | 8x-4y=10-2x+6ys | | -8k=112 |

Equations solver categories