4(a+2)-9(a-1)=-4(2a+9)-16

Simple and best practice solution for 4(a+2)-9(a-1)=-4(2a+9)-16 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(a-1)=-4(2a+9)-16 equation:


Simplifying
4(a + 2) + -9(a + -1) = -4(2a + 9) + -16

Reorder the terms:
4(2 + a) + -9(a + -1) = -4(2a + 9) + -16
(2 * 4 + a * 4) + -9(a + -1) = -4(2a + 9) + -16
(8 + 4a) + -9(a + -1) = -4(2a + 9) + -16

Reorder the terms:
8 + 4a + -9(-1 + a) = -4(2a + 9) + -16
8 + 4a + (-1 * -9 + a * -9) = -4(2a + 9) + -16
8 + 4a + (9 + -9a) = -4(2a + 9) + -16

Reorder the terms:
8 + 9 + 4a + -9a = -4(2a + 9) + -16

Combine like terms: 8 + 9 = 17
17 + 4a + -9a = -4(2a + 9) + -16

Combine like terms: 4a + -9a = -5a
17 + -5a = -4(2a + 9) + -16

Reorder the terms:
17 + -5a = -4(9 + 2a) + -16
17 + -5a = (9 * -4 + 2a * -4) + -16
17 + -5a = (-36 + -8a) + -16

Reorder the terms:
17 + -5a = -36 + -16 + -8a

Combine like terms: -36 + -16 = -52
17 + -5a = -52 + -8a

Solving
17 + -5a = -52 + -8a

Solving for variable 'a'.

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

Add '8a' to each side of the equation.
17 + -5a + 8a = -52 + -8a + 8a

Combine like terms: -5a + 8a = 3a
17 + 3a = -52 + -8a + 8a

Combine like terms: -8a + 8a = 0
17 + 3a = -52 + 0
17 + 3a = -52

Add '-17' to each side of the equation.
17 + -17 + 3a = -52 + -17

Combine like terms: 17 + -17 = 0
0 + 3a = -52 + -17
3a = -52 + -17

Combine like terms: -52 + -17 = -69
3a = -69

Divide each side by '3'.
a = -23

Simplifying
a = -23

See similar equations:

| 1/2*1/9*0/8=x | | x+.10*x=1800 | | 27x-x^2=140 | | 2(10+5)=2*10+2*5 | | 6+2n-5=9n+2-6n | | 18=-3z | | 0=(1/x^2) | | 3n+4=2n+7 | | x+.05*x=1800 | | 5.82-2.3+0.305= | | 6+18=16m+5-4 | | 60*8=b | | 10a-8a^2= | | 6+18m=16m+5-4 | | 9x+10=12x+11 | | y=8/6x | | 60x^3+12x^2=0 | | 2*3.14*31.4= | | 4m+11=45 | | n=2q+3 | | x=-3-(-13/4) | | -4p+7=-4-5p-3p | | 5m+10m=120 | | 15=-3k | | -4Y+5X=13 | | 8-4z=12-(6z+8) | | (7x-2)(2x-7)= | | 9x-3=-3(9-x)+4 | | x/2=-15 | | -42=-7/8v | | (x+1)^2/2 | | 1p+5=-8-2p+24 |

Equations solver categories