-1=2a+9

Simple and best practice solution for -1=2a+9 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 -1=2a+9 equation:


Simplifying
-1 = 2a + 9

Reorder the terms:
-1 = 9 + 2a

Solving
-1 = 9 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-1 + -2a = 9 + 2a + -2a

Combine like terms: 2a + -2a = 0
-1 + -2a = 9 + 0
-1 + -2a = 9

Add '1' to each side of the equation.
-1 + 1 + -2a = 9 + 1

Combine like terms: -1 + 1 = 0
0 + -2a = 9 + 1
-2a = 9 + 1

Combine like terms: 9 + 1 = 10
-2a = 10

Divide each side by '-2'.
a = -5

Simplifying
a = -5

See similar equations:

| 12+2x+4=3x+10 | | 8(2x-3)+5=61 | | Y+3X=1 | | 8x-14=4+2x | | 4c+12=6c+11.94 | | (5x^5)(3y^6)(3x^2)= | | 7x(x-7)=(2x+5)(x-7) | | 16=1-3a | | -116=2(-2+8x) | | 121-5x-2= | | 6v^2-36v+30= | | 49x^4-36x^2=0 | | 6+12x=7+16x | | 25x^2+5x-42= | | (x)(x)=(x-2)(x-2)-12 | | 9x+7/2=35 | | .3z-3=.3z-1 | | -8.2=-6.5 | | .5b=12 | | 6a+1=73 | | 28-6.75= | | 6+1=73 | | 3x+5+2x+6y=9 | | 2x^2-25x+72= | | (x-2)(x-2)=(x-2)(12)(12) | | -8.2=-6.2 | | -5g+.3=18.8 | | 259=-5-6(1-9k) | | -7(n+2)+18=-3n-4 | | 3(x+5)=17 | | y(y^2+12y+20)=0 | | (1-9i)(1-4i)(4-3i)=0 |

Equations solver categories