20(a-2)=5(a+1)

Simple and best practice solution for 20(a-2)=5(a+1) 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 20(a-2)=5(a+1) equation: 



20(a-2)=5(a+1)

We move all terms to the left:

20(a-2)-(5(a+1))=0

We multiply parentheses

20a-(5(a+1))-40=0



We calculate terms in parentheses: -(5(a+1)), so:

5(a+1)

We multiply parentheses

5a+5

Back to the equation:

-(5a+5)



We get rid of parentheses

20a-5a-5-40=0

We add all the numbers together, and all the variables

15a-45=0

We move all terms containing a to the left, all other terms to the right

15a=45

a=45/15

a=3

See similar equations:

| -8=7-7+x | | 0.9x=180 | | 5p-11=9 | | ​5(x+20)=5x+20=7x+307x+30 | | 0.12x+13.97=0.11x+14.47 | | 5w-1=59 | | w/4=-4=-8 | | x+15+2x+13=13 | | 12b-10b=11(1-8b)-11(1+6b) | | (-7n+6)=(5n+15) | | 2(-12x-11)+11x=2+3(-8-9x) | | 8(x+3=83 | | 10c+8=48 | | 0.005r=5 | | √121-8x=9 | | 24.75x+23)=17.25x+53 | | 4x+5=6x+16 | | -9-3(-5+9x)=-4(1+8x) | | 12-4a=8 | | 9+7m=37 | | 2x+12+9=x+16 | | 5+8.50x=47.50 | | 6(1-4x)=-10(x-4)+3x | | -7x+32=-7(5x-1)-3 | | 5x+2-3x=-12 | | 8x-(x+9)=x+47 | | 121-8x=9 | | 650x=3185 | | -5(n+6)=-16-7n | | 12(x+6)=60 | | 18-5x+22+11x=3-2x+7x | | 7x-6+3x=24 |

Equations solver categories