8-2*(a-1)=1+a

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


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

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

Combine like terms: 8 + 2 = 10
10 + -2a = 1 + a

Solving
10 + -2a = 1 + 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.
10 + -2a + -1a = 1 + a + -1a

Combine like terms: -2a + -1a = -3a
10 + -3a = 1 + a + -1a

Combine like terms: a + -1a = 0
10 + -3a = 1 + 0
10 + -3a = 1

Add '-10' to each side of the equation.
10 + -10 + -3a = 1 + -10

Combine like terms: 10 + -10 = 0
0 + -3a = 1 + -10
-3a = 1 + -10

Combine like terms: 1 + -10 = -9
-3a = -9

Divide each side by '-3'.
a = 3

Simplifying
a = 3

See similar equations:

| -2x-145=9x+86 | | 10x^3-17x^2+11x+146=0 | | 12=-17u | | x/30×2=60 | | Yg+z=17 | | 6x+4y=12.50 | | 2n^2-52=5n | | 7x^2+17x-20=-18 | | 5(4+5x)=3(5x-20) | | 2b+7=b+17 | | 8(2f-3)=5f+9 | | 3x^3+12x-3x=12 | | 26n=858 | | 8x-9y=18 | | 5(x-9)3=5x-42 | | R/16=32 | | 7n=280 | | 3b-2a=18 | | 2n-5=8n-17 | | -23=-4.9x^2+15x | | y=-4.9x^2+15x+23 | | 59+6x=14x-6 | | k^2+19k=-90 | | f(x+6)=8x-1 | | 6b=54-3b | | x-8+4=12 | | x+5-8=12 | | 3x+10+2x+20=y | | 5x=90-x/2 | | 5x-11+4x+9=180 | | k^2+19k=-18 | | 1x-3=8 |

Equations solver categories