8a-9=19+a

Simple and best practice solution for 8a-9=19+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-9=19+a equation:


Simplifying
8a + -9 = 19 + a

Reorder the terms:
-9 + 8a = 19 + a

Solving
-9 + 8a = 19 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-9 + 8a + -1a = 19 + a + -1a

Combine like terms: 8a + -1a = 7a
-9 + 7a = 19 + a + -1a

Combine like terms: a + -1a = 0
-9 + 7a = 19 + 0
-9 + 7a = 19

Add '9' to each side of the equation.
-9 + 9 + 7a = 19 + 9

Combine like terms: -9 + 9 = 0
0 + 7a = 19 + 9
7a = 19 + 9

Combine like terms: 19 + 9 = 28
7a = 28

Divide each side by '7'.
a = 4

Simplifying
a = 4

See similar equations:

| N-3-4n=9 | | 5x^2+33-14= | | 11x+9=16x-8 | | 8x+11=3x+116 | | 12a^2+2b+24a+ab=0 | | -2(3(-3)-2)+-3+9= | | -1+12=m-10 | | 3x-x+12=30 | | (6x^2)+7x=3 | | -10=6k | | -(3x+3)=-2x | | 2x+x=4.5 | | 6+5x(-5)= | | 3x=-3(x-2) | | 3n-5=n-7 | | 9T-9=6(T+2)-T | | 4x-3=6-2x | | -16=-8m | | -3+14=16x-2-15x | | 2x(7-4)= | | 15/10+19/100= | | -16=8m | | 2y-1=4y+3 | | 12s^2+17s-5=0 | | 12(a+7)= | | 12xsqrd-2=5x | | x-16=136 | | 3-y=25 | | 110+50x=90 | | 30t^2+26t+4=0 | | sin(x)*sin(3x)+cos(4x)=0 | | x+6y-6=0 |

Equations solver categories