-12(5a-9)+6(8a-11)=7a+2a

Simple and best practice solution for -12(5a-9)+6(8a-11)=7a+2a 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 -12(5a-9)+6(8a-11)=7a+2a equation:


Simplifying
-12(5a + -9) + 6(8a + -11) = 7a + 2a

Reorder the terms:
-12(-9 + 5a) + 6(8a + -11) = 7a + 2a
(-9 * -12 + 5a * -12) + 6(8a + -11) = 7a + 2a
(108 + -60a) + 6(8a + -11) = 7a + 2a

Reorder the terms:
108 + -60a + 6(-11 + 8a) = 7a + 2a
108 + -60a + (-11 * 6 + 8a * 6) = 7a + 2a
108 + -60a + (-66 + 48a) = 7a + 2a

Reorder the terms:
108 + -66 + -60a + 48a = 7a + 2a

Combine like terms: 108 + -66 = 42
42 + -60a + 48a = 7a + 2a

Combine like terms: -60a + 48a = -12a
42 + -12a = 7a + 2a

Combine like terms: 7a + 2a = 9a
42 + -12a = 9a

Solving
42 + -12a = 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.
42 + -12a + -9a = 9a + -9a

Combine like terms: -12a + -9a = -21a
42 + -21a = 9a + -9a

Combine like terms: 9a + -9a = 0
42 + -21a = 0

Add '-42' to each side of the equation.
42 + -42 + -21a = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -21a = 0 + -42
-21a = 0 + -42

Combine like terms: 0 + -42 = -42
-21a = -42

Divide each side by '-21'.
a = 2

Simplifying
a = 2

See similar equations:

| y=0.2108(8)+15.95 | | Y=2.11x-1 | | -6/15x=8/15 | | 1=2x-19 | | 2D=3(m-33) | | 21n^2-10=n | | 5m+30=0 | | -20+20+(-30)+(-30)= | | 7x-21=4(x-9) | | w^2+14w+49=8 | | 34+p+112=71 | | 34+p+112=78 | | (20b*c)/(28c*d) | | 9x+8y=16 | | 2x/4=3/4 | | 3/-62 | | x+29=18 | | -8-5=64+3n | | 12=-4(3x+3)+13x | | y=15x+495 | | 122/45/9 | | (6-23)-(-4)/(-4) | | 8v=3v^2-3 | | 2y+2(y-6)=7y-5y(y-10) | | x^3-6x^2-36=0 | | -215+e+-43=-145 | | (7x^2)(9x^3)= | | 12y^2-75=0 | | 5-3x=-6x+8 | | 30-2x=2x | | 0.5(x+1)+0.25=0.6x-0.16+0.75 | | 24=2b^2+2b |

Equations solver categories