30-2(a+1)=8

Simple and best practice solution for 30-2(a+1)=8 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 30-2(a+1)=8 equation:


Simplifying
30 + -2(a + 1) = 8

Reorder the terms:
30 + -2(1 + a) = 8
30 + (1 * -2 + a * -2) = 8
30 + (-2 + -2a) = 8

Combine like terms: 30 + -2 = 28
28 + -2a = 8

Solving
28 + -2a = 8

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 + -2a = 8 + -28

Combine like terms: 28 + -28 = 0
0 + -2a = 8 + -28
-2a = 8 + -28

Combine like terms: 8 + -28 = -20
-2a = -20

Divide each side by '-2'.
a = 10

Simplifying
a = 10

See similar equations:

| -8(x+9)-8=-80 | | x^2-13xy+22y^2= | | 3x-12-x= | | 7d-(6-2d)=12 | | 6x^2+7xy-20y^2=0 | | 10y+10=4+4y | | 49-98x+12x^2=0 | | 8y-27=5 | | -20+7x=-28 | | 3a-4=2a+7 | | (x+4)(480s-0.5)-480=0 | | X-.06x=323 | | 6k+2=116 | | 0.50x-0.20(50+x)=0.04(50) | | 41=.5x+(-4) | | 8y=37 | | 5d+99=11d-99 | | at+ap=m | | 5x+10=150 | | 86z-86=49z-49 | | 3x-5=-46-40x | | w(2w-7)=90 | | 8+(-7)+(-10)=x | | u=3(9n+33)+5(n+1) | | 50p-79=10p+81 | | 9x+25=150 | | x+(6x-11)+(30x-55)=2118 | | y^2+36y+32=0 | | 2u+77=3u+68 | | e=wa | | 30=4x^2-2x | | -11+(-8)=x |

Equations solver categories