8(3a-9)-4(2a+3)=12

Simple and best practice solution for 8(3a-9)-4(2a+3)=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 8(3a-9)-4(2a+3)=12 equation:


Simplifying
8(3a + -9) + -4(2a + 3) = 12

Reorder the terms:
8(-9 + 3a) + -4(2a + 3) = 12
(-9 * 8 + 3a * 8) + -4(2a + 3) = 12
(-72 + 24a) + -4(2a + 3) = 12

Reorder the terms:
-72 + 24a + -4(3 + 2a) = 12
-72 + 24a + (3 * -4 + 2a * -4) = 12
-72 + 24a + (-12 + -8a) = 12

Reorder the terms:
-72 + -12 + 24a + -8a = 12

Combine like terms: -72 + -12 = -84
-84 + 24a + -8a = 12

Combine like terms: 24a + -8a = 16a
-84 + 16a = 12

Solving
-84 + 16a = 12

Solving for variable 'a'.

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

Add '84' to each side of the equation.
-84 + 84 + 16a = 12 + 84

Combine like terms: -84 + 84 = 0
0 + 16a = 12 + 84
16a = 12 + 84

Combine like terms: 12 + 84 = 96
16a = 96

Divide each side by '16'.
a = 6

Simplifying
a = 6

See similar equations:

| x/2-1/44-44 | | 10ln(4)+ln(X)=16 | | 7x=-16-9 | | 15s+8.4-2s=8.4-s | | (2x+5)(x+-1)(x+3)=0 | | 9x-4=10x-11 | | -6x=a-70 | | X-9=x(3)-8 | | 60x=46.6597 | | 2(90)-9=180-y | | 10(4x+2)=20(6) | | x*60=59.409 | | Y=180-9 | | 90=2(90)-18 | | 40(x-20)=40(3) | | 90=180-y | | 7x^5-33x^4+3x+52=0 | | 4x^2-3=1x | | 16a-263a=b | | 90-y=(2y)-18 | | x^7+5x^3+x-4=0 | | 16t-263t=h | | x^5-6x^3-16x=0 | | 7x^6+15x^2+1=0 | | 14x^2-5/7x | | 180-y=(3y)+56 | | log21x=2/3 | | 180-y=(3y)+44 | | x*60=72.1414 | | 27 = w8 | | 5(-4x-7)-5=-100 | | 54=9k |

Equations solver categories