4a-8=7-a

Simple and best practice solution for 4a-8=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 4a-8=7-a equation:


Simplifying
4a + -8 = 7 + -1a

Reorder the terms:
-8 + 4a = 7 + -1a

Solving
-8 + 4a = 7 + -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.
-8 + 4a + a = 7 + -1a + a

Combine like terms: 4a + a = 5a
-8 + 5a = 7 + -1a + a

Combine like terms: -1a + a = 0
-8 + 5a = 7 + 0
-8 + 5a = 7

Add '8' to each side of the equation.
-8 + 8 + 5a = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 5a = 7 + 8
5a = 7 + 8

Combine like terms: 7 + 8 = 15
5a = 15

Divide each side by '5'.
a = 3

Simplifying
a = 3

See similar equations:

| 81-4x=41x+16 | | 6y+2-3y=9+2y+2 | | 24x+8y=32 | | -6-3x=6x-51 | | 9+5(y-7)=21 | | 52-7(8x-x)-4x=29-6(4+x)+2x | | 9+3x=-3x+57 | | 6x-10+x=-17 | | 4x+2x-5=49 | | 4+x+7x=36 | | -(7x+1)-6(-7-x)=72 | | 3-3x-3x=3 | | -15=5x-10 | | S=4t | | 6.09x+64=37.0881+8x | | 7-2k=9 | | 53-7(8x-x)-4x=29-6(4+x)+2x | | 210=10(x-65)+70 | | 4+3x=-7 | | -x-4+7x=-64 | | 5d-4=8 | | 5x+4+x=10 | | 5y^2-3y+2= | | -19+3a=-4(5a+2) | | -7x+3-4x=14 | | T(n)=7n-20 | | y=1(-1)-2 | | -2x-3+3x=6 | | 24x=46-2y | | 7(2x+2)=-42 | | 16=-4x-6x+6 | | 49=5x-26 |

Equations solver categories