4a-20-3a-9=9+12

Simple and best practice solution for 4a-20-3a-9=9+12 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 4a-20-3a-9=9+12 equation:


Simplifying
4a + -20 + -3a + -9 = 9 + 12

Reorder the terms:
-20 + -9 + 4a + -3a = 9 + 12

Combine like terms: -20 + -9 = -29
-29 + 4a + -3a = 9 + 12

Combine like terms: 4a + -3a = 1a
-29 + 1a = 9 + 12

Combine like terms: 9 + 12 = 21
-29 + 1a = 21

Solving
-29 + 1a = 21

Solving for variable 'a'.

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

Add '29' to each side of the equation.
-29 + 29 + 1a = 21 + 29

Combine like terms: -29 + 29 = 0
0 + 1a = 21 + 29
1a = 21 + 29

Combine like terms: 21 + 29 = 50
1a = 50

Divide each side by '1'.
a = 50

Simplifying
a = 50

See similar equations:

| 23f-41=54f+20 | | (12x/4x)=24 | | 12a/4a=24 | | 15-15+3= | | 10w+8=28 | | 4.905t^2-20t+15=0 | | 6b+2=5b-4 | | 0.7x=-1.4 | | 3x/2=6/5= | | 4x-4+x-1=0 | | 2X=432 | | 500-2X=68 | | 64.8=.3x | | 3(2x+1)-(x-1)=1 | | 65895x-10/4.60 | | 1/4z=20 | | 5x+1=7x+5 | | 5*x+8=10x+85 | | 5(m-2)=4(2m+5) | | 20=z/4= | | T+2t-10=-t+30 | | 156684654x+446844889=456452148642246645112*x-8 | | 100=3x^2-2x | | 5x+8=6*-2 | | 6e+1=e+6 | | 4sinx-2cot=12 | | 4g+4+g+4=18 | | 12e+e-16=10 | | 2(9x-8)-(-5x+12+6x-15)=7x+8x-7 | | 2(9x-8)-(-5x+12+6x-15)=7x-(-8x+7) | | 40=-2(c-5) | | sin(3x+45)=0.7 |

Equations solver categories