-6a-4[2a+7]-7a=

Simple and best practice solution for -6a-4[2a+7]-7a= 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 -6a-4[2a+7]-7a= equation:


Simplifying
-6a + -4[2a + 7] + -7a = 0

Reorder the terms:
-6a + -4[7 + 2a] + -7a = 0
-6a + [7 * -4 + 2a * -4] + -7a = 0
-6a + [-28 + -8a] + -7a = 0

Reorder the terms:
-28 + -6a + -8a + -7a = 0

Combine like terms: -6a + -8a = -14a
-28 + -14a + -7a = 0

Combine like terms: -14a + -7a = -21a
-28 + -21a = 0

Solving
-28 + -21a = 0

Solving for variable 'a'.

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

Add '28' to each side of the equation.
-28 + 28 + -21a = 0 + 28

Combine like terms: -28 + 28 = 0
0 + -21a = 0 + 28
-21a = 0 + 28

Combine like terms: 0 + 28 = 28
-21a = 28

Divide each side by '-21'.
a = -1.333333333

Simplifying
a = -1.333333333

See similar equations:

| -4x-15+6x=25 | | v+2/3=10 | | -2/7-3/14 | | n^2-23n+60=0 | | v+2=10 | | 2b-(-2)=-2 | | -6m=-5(m+4)-6m | | 2x^2+21x-28=0 | | -6-(3)(2k+4)=18 | | x+y+3280=33280 | | 3m+7=-29 | | 6x+12y-3=0 | | n+(n-6)-2=-10 | | 2/3+x/2-5=x/3+1 | | x+y=3280 | | -b-1=-9 | | 2/3/120 | | 9/z=5/11 | | 3n-10=n+4 | | -9b^2-7b-8=0 | | -3[2x-7]-2x+6= | | w=120-2(10+2w) | | -2/3(-3)(-7) | | -2(-7k-7)=2(8k+11) | | 3x+4-2x-7-4x=3 | | 12x+237x=68 | | 10x-2.67-4x=6x | | N/5-1=-7 | | 15(t-3)+3t=6(3t+5)-11 | | y=4.2x+7.9 | | -10=-w/2 | | 9x^2-6x+3x-2=0 |

Equations solver categories