21=7-5x

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



21=7-5x

We move all terms to the left:

21-(7-5x)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

5x-7+21=0

We add all the numbers together, and all the variables

5x+14=0

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

5x=-14

x=-14/5

x=-2+4/5

See similar equations:

| 4-7y-15=0 | | 1-7y-15=0 | | 2-3x=6+2 | | m²-2m+5=0 | | 1(-4+6x)=1x+2(x+9) | | V^2+10v-14=-11 | | Mx(13/16)=39 | | -6=8w-5 | | -3/5=4/5w-1/2 | | (3x-4)/8=(x+2)/3 | | X(13/16l=39 | | 9(y-2)=4=31 | | 3/5x=1/2x+4 | | x^2+4x=x+10x2+4x=x+10 | | -4-4x=6x-6 | | 2(x+7)-3+5x=4x+3x+11 | | x−4+1=−3−x | | -19h+12=-14h-8 | | 8x-7(-5)=-3 | | 1/2x-2/3x=3 | | 1/2×-4+1=-3-1/2x | | x2+12x+6=0 | | 21=2m+8+1 | | 10x-43=39+(x-10) | | 12=-n+4n | | 2(c-6)=9+2 | | 16/8=x/1 | | (3x^2-x-52)=0 | | 3x​2​​+x+1=−5x | | 11/n=85 | | x-1/2(-4)=3 | | 5−2(x+6)=14 |

Equations solver categories