4(a+2)-9=9

Simple and best practice solution for 4(a+2)-9=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 4(a+2)-9=9 equation:


Simplifying
4(a + 2) + -9 = 9

Reorder the terms:
4(2 + a) + -9 = 9
(2 * 4 + a * 4) + -9 = 9
(8 + 4a) + -9 = 9

Reorder the terms:
8 + -9 + 4a = 9

Combine like terms: 8 + -9 = -1
-1 + 4a = 9

Solving
-1 + 4a = 9

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + 4a = 9 + 1

Combine like terms: -1 + 1 = 0
0 + 4a = 9 + 1
4a = 9 + 1

Combine like terms: 9 + 1 = 10
4a = 10

Divide each side by '4'.
a = 2.5

Simplifying
a = 2.5

See similar equations:

| X/6+5=12 | | -25+2x=-3x | | 2u^2-4u+10=0 | | 87.6=8.8-0.2x | | 6x-67=78+x | | .53x+14=x | | -8=-2+x/2 | | x^2+4x^2-20x+25=2x^2 | | 3x-8=3x+6 | | 4r+4/8=2r-2/2 | | 8x+12=4x+28 | | 180-b=1/2(b-a) | | 5x-18/4 | | x^2+2x^2-20x+25=2x^2 | | -62+x=106-5x | | n/40=3/10 | | 9x^3+12x^2+15x+20= | | 3p+6=2p | | 4x+2y=194 | | x/4+7=9 | | 20x-7=73 | | 6w-4w+5w= | | -11=x/4 | | 2v-9(3v-10)=265 | | 4x^2-4x-8=1 | | 63=16x-x^3 | | 1x+-5=9 | | 6x-5(x-3)=17 | | e^7x+5=10 | | 2d^2+5d-8=0 | | x^4+20.62x^3-101.49x^2-2404.02x-9246.1=0 | | x^2+x^2+4x+16=58 |

Equations solver categories