21=-20-8(2x-0,5)

Simple and best practice solution for 21=-20-8(2x-0,5) 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 21=-20-8(2x-0,5) equation: 



21=-20-8(2x-0.5)

We move all terms to the left:

21-(-20-8(2x-0.5))=0



We calculate terms in parentheses: -(-20-8(2x-0.5)), so:

-20-8(2x-0.5)

determiningTheFunctionDomain
-8(2x-0.5)-20

We multiply parentheses

-16x+4-20

We add all the numbers together, and all the variables

-16x-16

Back to the equation:

-(-16x-16)



We get rid of parentheses

16x+16+21=0

We add all the numbers together, and all the variables

16x+37=0

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

16x=-37

x=-37/16

x=-2+5/16

See similar equations:

| x+63=316 | | 2-3|k-12|=-4 | | 5b+4=19,b= | | 5x-9+2x+35=180 | | 4b+23=8b+23 | | (3-5,8x)-(2,2+3)=16 | | 7y+25=2y+0 | | 3(a-1)+3+2a=4a+1 | | 1.12x(1-x)=x | | 2x+9-9x=18-15x+8x-9 | | 2x²+25x×33=0 | | 4.9x+39.8=10.8-9.6x | | 7^2x-3=16807 | | 81-(4x-6)=4(x+3)+x | | 3x+9-7x=15-16x+12x-6 | | 0=5-2x^2 | | 68=7-15b | | 2m-24+m-5=4m+18+5m+1 | | 6x-3*(x-1)=4+5x | | 2x-3=1x=1 | | -5p+3p=3(-4-2p)+6(p+1) | | {5+x}x3=30 | | -16=-17+x | | (-2x-4)/5+8/5=3x-3 | | 3x–16=x-4 | | 6=-17+x | | 5a+6/8=2 | | X+(x+1)(x+2)=45 | | 2(7n-3)-6n=5(n-6) | | 7e/10=-7 | | -8(8+4r)-5r=26-7r | | a^2+2a^2=9 |

Equations solver categories