8a-4(-5a+7)=-a

Simple and best practice solution for 8a-4(-5a+7)=-a 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 8a-4(-5a+7)=-a equation:


Simplifying
8a + -4(-5a + 7) = -1a

Reorder the terms:
8a + -4(7 + -5a) = -1a
8a + (7 * -4 + -5a * -4) = -1a
8a + (-28 + 20a) = -1a

Reorder the terms:
-28 + 8a + 20a = -1a

Combine like terms: 8a + 20a = 28a
-28 + 28a = -1a

Solving
-28 + 28a = -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-28 + 28a + a = -1a + a

Combine like terms: 28a + a = 29a
-28 + 29a = -1a + a

Combine like terms: -1a + a = 0
-28 + 29a = 0

Add '28' to each side of the equation.
-28 + 28 + 29a = 0 + 28

Combine like terms: -28 + 28 = 0
0 + 29a = 0 + 28
29a = 0 + 28

Combine like terms: 0 + 28 = 28
29a = 28

Divide each side by '29'.
a = 0.9655172414

Simplifying
a = 0.9655172414

See similar equations:

| 6(5-8w)+17=-241 | | 17x-9(x+40)=3x-26 | | 1/2=0/5 | | 2x=61 | | y^2+14y+4x+45=0Grafico | | 5y-4=150 | | 18(4-a)+12a=36 | | log(12/x)=1,08 | | 24(4-m)+7=130 | | 9h-23=70 | | t*4-3=13 | | a-3b=-11 | | -4+3w=14 | | 1.25/2=x/100 | | 8r^2-88r+192=0 | | 2a+10-6a= | | 5(10x+50)=750 | | 3n(6n+4)=0 | | -16x^2+32x+192=0 | | 1.75/2=x/100 | | -8r-2+7=23 | | 9a-32.2-a=-5.9 | | 1.5/2=x/100 | | 20-(x-4)=3x | | 3t^3+2t-48t-32=0 | | 4(4-2u)+14=14 | | 4y+3(y-4)=-26 | | 8(5-9m)+14=-666 | | 3(v+5)+8v=4 | | x^2+x^2y+8x^2+3x= | | 15.84+16.9j=16.1j | | 0.7x-1=0.2x+4 |

Equations solver categories