3(x+4)-6=21

Simple and best practice solution for 3(x+4)-6=21 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 3(x+4)-6=21 equation:


Simplifying
3(x + 4) + -6 = 21

Reorder the terms:
3(4 + x) + -6 = 21
(4 * 3 + x * 3) + -6 = 21
(12 + 3x) + -6 = 21

Reorder the terms:
12 + -6 + 3x = 21

Combine like terms: 12 + -6 = 6
6 + 3x = 21

Solving
6 + 3x = 21

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-6' to each side of the equation.
6 + -6 + 3x = 21 + -6

Combine like terms: 6 + -6 = 0
0 + 3x = 21 + -6
3x = 21 + -6

Combine like terms: 21 + -6 = 15
3x = 15

Divide each side by '3'.
x = 5

Simplifying
x = 5

See similar equations:

| 37=3x-11-7x | | y=6logx^4 | | 5d=16 | | (x/(x-2))^2-2(x/(x-2))=24 | | ln(x+2)+ln(x-2)=-2 | | 11x+8=2x | | -5/8/5/8 | | (2x+12)(2x+10)=360 | | 1-193/56 | | -8n+4(1+5)=-6n-4 | | 3860/1120 | | -8-2k=-8(3k+1) | | X=6cosx | | x^2(-1+7x)=0 | | -6(M+4)+2(2m+3)=-3(m-1)-8 | | 4k+32= | | 4x+6-2x=12 | | -19m=323 | | 10.5-x=9.66+x | | 648x^3+1029x^3=0 | | 70+7.39x=40.44 | | 3x-30=600 | | 2q-4.6-7.1q=-.9q-4.6 | | (C+7)(c-12)= | | 30+19x=22.02 | | 3+4t-(2t+5)-(4t+5)= | | Z=x-u/0 | | dy/dx=9e^7x | | 65X/6Y=20X | | 5/3y=16 | | X-u/o | | 4xy+x+22xy= |

Equations solver categories