3x-20=7(x-4)

Simple and best practice solution for 3x-20=7(x-4) 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 3x-20=7(x-4) equation:



3x-20=7(x-4)
We move all terms to the left:
3x-20-(7(x-4))=0
We calculate terms in parentheses: -(7(x-4)), so:
7(x-4)
We multiply parentheses
7x-28
Back to the equation:
-(7x-28)
We get rid of parentheses
3x-7x+28-20=0
We add all the numbers together, and all the variables
-4x+8=0
We move all terms containing x to the left, all other terms to the right
-4x=-8
x=-8/-4
x=+2

See similar equations:

| Xx.07=20 | | (4/7)^0+(4/7)^2=(4/7)^2p-1 | | 5x^2-30x+25=O | | 20=7/x | | 2^x=0.2 | | 1/10(2x+14)-3x=-7x+9 | | 25x^2-150x+205=0 | | 1.5x=30–1.5 | | 3(2x+9)=66 | | 30–x=2x(1.5) | | 30–x=2(1.5) | | (1.5)x+1.5=30 | | a+(a+4)=26 | | x^2+x^2=104^2 | | 4^5=(4p)^3 | | 2x^2=104^2 | | 3x+4x/3-2x/3=4x-1 | | 32=-6w+8(w+6) | | 139.8=z^2 | | -.4x=63x | | -6/5+1/3v=-7/4 | | 16x-27=7x-5+4x+9 | | 2.8(3d-2)=-12 | | 72.48x+6x=18.08x | | -6/x=9 | | X/3-9/2=2x+1 | | A/3-9/2=2a+1 | | 2x/4=4x/10 | | Y=-2.4x-3.3 | | 40x+66x=4158 | | -13=2(y-4)-7y | | 2n+3=35 |

Equations solver categories