21-(x-4)=3(x-1)

Simple and best practice solution for 21-(x-4)=3(x-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 21-(x-4)=3(x-1) equation: 



21-(x-4)=3(x-1)

We move all terms to the left:

21-(x-4)-(3(x-1))=0

We get rid of parentheses

-x-(3(x-1))+4+21=0



We calculate terms in parentheses: -(3(x-1)), so:

3(x-1)

We multiply parentheses

3x-3

Back to the equation:

-(3x-3)



We add all the numbers together, and all the variables

-1x-(3x-3)+25=0

We get rid of parentheses

-1x-3x+3+25=0

We add all the numbers together, and all the variables

-4x+28=0

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

-4x=-28

x=-28/-4

x=+7

See similar equations:

| 3x+17=2x=17 | | (2x-3)(6x+5)=(3x+5)(4x-5) | | 2^n=8 | | x3−12x+8=0 | | -1=7=8x | | 254=2^n | | 5/3=6/(x+5) | | 6x(x-3)-(2x-1)(3x+5)=50 | | (-x^2)-9x+1=0 | | (x^2)-9x-1=0 | | 2(2r-12)/3=2r-1/7 | | 5x4x+8=7.2+5x | | 3^2x-10=9 | | r2-7r+3=0 | | 3.r2-7r+3=0 | | 3g2+6g=11−3g | | 1+(8/x^2)=4/x | | 3(2x-5)-4x=5-4(x-7) | | 1.4(8-b)+3.7b=-5.2 | | x=5x^2+4 | | X^3-10x^2+11x-70=0 | | |2d-8|=12 | | 22/5=6n | | (4t+1)^1/5-(5t+2)^1/5=0 | | 4y+2=−6 | | 5x2+32x-81=0 | | (x+1)(x^2+5x)=0 | | 9×-y=45 | | 3-1/2x=12 | | 0=3x-1/x+1 | | (56x^2-16x-31)^1/2=0 | | x^2+22x−88=0 |

Equations solver categories