12+7x-21=3(x-3)+4x

Simple and best practice solution for 12+7x-21=3(x-3)+4x 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 12+7x-21=3(x-3)+4x equation: 



12+7x-21=3(x-3)+4x

We move all terms to the left:

12+7x-21-(3(x-3)+4x)=0

We add all the numbers together, and all the variables

7x-(3(x-3)+4x)-9=0



We calculate terms in parentheses: -(3(x-3)+4x), so:

3(x-3)+4x

We add all the numbers together, and all the variables

4x+3(x-3)

We multiply parentheses

4x+3x-9

We add all the numbers together, and all the variables

7x-9

Back to the equation:

-(7x-9)



We get rid of parentheses

7x-7x+9-9=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

See similar equations:

| 9x-12=5x+64= | | 7n+1=-20 | | 3h-9h=20 | | 3/4*x^2+2=2,5x | | 1/9n+5=8 | | 2(d-5)-6=2 | | 90/80=w/72 | | 5j+4j-5j-3j=40 | | x+6×3=45 | | 10x-12=24-26x= | | 4(m-11)+4=20 | | 16a+a-5a-5a=14 | | 45÷x=10 | | x(3)=11 | | 7x-8=-8+6x | | 0.75l=-5/10 | | 5(x-9)-x=19-(3x+9) | | 1/8x=1.5 | | Y+19y-66=0 | | 6x=(9)(6) | | f2-4f=21 | | |2x+3|=5x-21 | | 7s-3s-s=9 | | |2x-3|=5x-21 | | 3(z+1)-3=6 | | 6x+7=0x+9 | | (3x+31)+(2x-6)=18 | | f+16=20 | | (3x+21)+(2x-6)=13 | | 17a-4a-5a=16 | | 9(x-9)=7(x+4) | | (3x+21)+(2x-6)=18- |

Equations solver categories