5a-3(3a+1)-8a=45

Simple and best practice solution for 5a-3(3a+1)-8a=45 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 5a-3(3a+1)-8a=45 equation:


Simplifying
5a + -3(3a + 1) + -8a = 45

Reorder the terms:
5a + -3(1 + 3a) + -8a = 45
5a + (1 * -3 + 3a * -3) + -8a = 45
5a + (-3 + -9a) + -8a = 45

Reorder the terms:
-3 + 5a + -9a + -8a = 45

Combine like terms: 5a + -9a = -4a
-3 + -4a + -8a = 45

Combine like terms: -4a + -8a = -12a
-3 + -12a = 45

Solving
-3 + -12a = 45

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + -12a = 45 + 3

Combine like terms: -3 + 3 = 0
0 + -12a = 45 + 3
-12a = 45 + 3

Combine like terms: 45 + 3 = 48
-12a = 48

Divide each side by '-12'.
a = -4

Simplifying
a = -4

See similar equations:

| 7x*2+62x-9=0 | | -6x+13=-4x+1 | | 4(x+7)-7= | | (8x+1)(8x-1)= | | Log(9x+8)=0 | | 42q-21= | | -7b-4b=24 | | 9x+8y=20 | | (X^2+2x-3)+(3x^2-2x-8)=0 | | 7(3x+6)+6(x+41)=504 | | 6(z-5)+7z-1= | | 15-35y= | | 2n^2-4n-60=0 | | 5x+8+3=20 | | 6-d/4=-8 | | 20x*2+41x+20=0 | | 3y^2+2y-80=0 | | (1/2)x-(7/2) | | 3x+96=25 | | 12y-20+3y=10 | | x+8/2=11 | | h=-16t^2+65t+50 | | (6x+4)x=7 | | -4x-3=-8x+1 | | 11(w-5)+6(w+4)=20 | | x*2+x-2=0 | | 9x-5=-5x+9 | | 2+4(1-9z)=-17 | | -16+y=-7 | | (p+15)+p=(2p+15) | | -15x-42=18 | | 3y^2+7y-4=0 |

Equations solver categories