a*2+3a+-9=0

Simple and best practice solution for a*2+3a+-9=0 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*2+3a+-9=0 equation:


Simplifying
a * 2 + 3a + -9 = 0

Reorder the terms for easier multiplication:
2a + 3a + -9 = 0

Reorder the terms:
-9 + 2a + 3a = 0

Combine like terms: 2a + 3a = 5a
-9 + 5a = 0

Solving
-9 + 5a = 0

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 + 5a = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 5a = 0 + 9
5a = 0 + 9

Combine like terms: 0 + 9 = 9
5a = 9

Divide each side by '5'.
a = 1.8

Simplifying
a = 1.8

See similar equations:

| 8a-3b+3c+5a-b+3c= | | 3.14=8cm | | 3x-2/6=12 | | 10x^2=16 | | -3z-(-z-2)= | | 3.14=rin | | r=3in | | 3x=7x-2.2 | | -8(3x-4)-6=-30+4x | | 2x^2-18*x+30=2x-20 | | R^4-3r^2+2=0 | | (x+2)2=x^2+6 | | S=7c^2d | | 5d-3e+2d+e= | | -7(r-4)+8=-34+7r | | 0.4x=1500 | | 7(7+7n)+8=n+9 | | 8x-5y+4x-2y= | | x^2-5x+y^2+6y-10=0 | | -2-4p=-3(2p+4)+8 | | 5(2m+1)=45 | | 3d^2-8d=-4 | | x-5=7/3 | | 6x+2(3x+11)=82 | | 3t+4=13+t | | 9h+20=61 | | x/2-3=21 | | 9+7x=29 | | 17x+10=61 | | 4x-2(x-1)=3 | | -1-3ln(0.08x)=0 | | (3/4)x-3=-18 |

Equations solver categories