-(a-9)=1

Simple and best practice solution for -(a-9)=1 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 -(a-9)=1 equation: 


Simplifying
-1(a + -9) = 1

Reorder the terms:
-1(-9 + a) = 1
(-9 * -1 + a * -1) = 1
(9 + -1a) = 1

Solving
9 + -1a = 1

Solving for variable 'a'.

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

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

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

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

Divide each side by '-1'.
a = 8

Simplifying
a = 8

See similar equations:

| x+x+(0.5x)=9.80 | | 2=6+t | | x+x+(5x)=9.80 | | y=3/2+x3 | | (5x)+((5x*0.5+5x))=9.80 | | -36=4+8x | | 1/3+3/5-4/15 | | (5x)+((5x*0.5)+(5x))=9.80 | | 12/25+52/15 | | 4-(2-n)=2 | | y=(3/2)x+4 | | 16/2-x=4/x | | 4x-50=40 | | k-3/5=12 | | 75-7x=29x-14 | | 23=x/9+7 | | 2x+5x=20x | | -4x-7=29 | | x/22=-7+7 | | 5x-12=-27-8x | | 21/24 | | 2/3z=6 | | c-4.7=-2.9+2.9 | | 12/-325 | | 3=18/3x-4 | | 12/-320 | | 5x+(5x*0.5+5x)=9.80 | | 2lnx+3=1 | | 4(-3)+3(1)=9 | | 11=x/4 | | 4(-3)+3(-1)=9 | | 4(-1)+3(-3)=9 |

Equations solver categories