-21=-7(x-5)

Simple and best practice solution for -21=-7(x-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=-7(x-5) equation: 



-21=-7(x-5)

We move all terms to the left:

-21-(-7(x-5))=0



We calculate terms in parentheses: -(-7(x-5)), so:

-7(x-5)

We multiply parentheses

-7x+35

Back to the equation:

-(-7x+35)



We get rid of parentheses

7x-35-21=0

We add all the numbers together, and all the variables

7x-56=0

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

7x=56

x=56/7

x=8

See similar equations:

| F(x)=3/5x-18 | | 5-(1+4m)=20 | | 14=1/3x+5;27 | | -3(4x+3)+4(6x1)=43 | | w-2/3=3/4;15/12 | | −2/5y=-4 | | y/2+1=y/9 | | ((2x)(2x))=12x | | (26v^2)+27v+8=0 | | 3x+2-4=5x-4 | | 18=8x-10x+12 | | 3(2x-7)=-2(1-2x) | | 9(p-4(=18 | | 1+7k=14-5k+7k | | 9-3x=5x+1 | | 12x+20-4x=5x-4 | | -9-10n=11 | | 3(6+4n)=102 | | y/2+1/2=y/9-1/2 | | ((2x)(2×))=12× | | 16t^2-13t+8=0 | | 12a+2a-3-3a=14a | | 13x+20-4x=5x-4 | | -3(5x-5)=15 | | 4-(x+7)=2(x-3)-3(x=3) | | 10n+12n=-6 | | 6-3x=10+5x | | 1/2(5x-4)-2/3=5-1/3(4-5x) | | -k-8=-22 | | -6b+5=1;1/2 | | -84=4(5x+4) | | G(-2)=x2+3x+2 |

Equations solver categories