-21=7(3-c)

Simple and best practice solution for -21=7(3-c) 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(3-c) equation: 



-21=7(3-c)

We move all terms to the left:

-21-(7(3-c))=0

We add all the numbers together, and all the variables

-(7(-1c+3))-21=0



We calculate terms in parentheses: -(7(-1c+3)), so:

7(-1c+3)

We multiply parentheses

-7c+21

Back to the equation:

-(-7c+21)



We get rid of parentheses

7c-21-21=0

We add all the numbers together, and all the variables

7c-42=0

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

7c=42

c=42/7

c=6

See similar equations:

| E^x=5.5 | | 4x-2=11-44 | | 11x–3=41​ | | 2.7r=8.91 | | 2y+8–y=7y–12+4y | | 0=6x^2-7x-3 | | 25+b=30 | | 3(x+9)-x=9 | | 3.6/3.6=1.2x/3.6 | | 2c-1+5C+4=24 | | 18x=180/360 | | (7x-11=4x-58)=180 | | x+22=40-5 | | (7x-11)=(4x-58)=180 | | 2/3(a+6)=7 | | ^(n+4)=-18 | | 4x+10+x=-92 | | 4x2+7x+3=0 | | 1.2s=-1.68 | | 5p-3=15-4p | | 3x-8*5=7 | | 6x-18=7x+11 | | (7x-11)=4x-58 | | –2(3x–4)+2x=12 | | 2w+5=45 | | 7=2/3(a+6) | | 2x+3(x-1)=4-3(2x-5) | | (5x=21) | | 1‐2x=8x | | 5x-2=14+13x | | -14=3t+6-81 | | 2x+78=0 |

Equations solver categories