138=3(7x+4)

Simple and best practice solution for 138=3(7x+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 138=3(7x+4) equation: 



138=3(7x+4)

We move all terms to the left:

138-(3(7x+4))=0



We calculate terms in parentheses: -(3(7x+4)), so:

3(7x+4)

We multiply parentheses

21x+12

Back to the equation:

-(21x+12)



We get rid of parentheses

-21x-12+138=0

We add all the numbers together, and all the variables

-21x+126=0

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

-21x=-126

x=-126/-21

x=+6

See similar equations:

| 12x+30+4x/3=180 | | 3y+9y=180 | | 67=11n+n | | 3x+18+9x+42=180 | | 12k/16-3/4=3/8 | | (7x-180)+x=180 | | 6x+13-7=20-x | | -3+7r=11 | | 4-(2x-5)=x-13 | | -19+n=-7 | | 9n-90=90 | | 17.5x=19 | | -12=24=6y | | 9x+5=2x-7 | | 0.005=12*w | | 7x-9=93 | | 10+2v=8 | | 3x+24+6x-44+2x-20=180 | | -1/2r-12=127 | | 8x=28−6x | | 4(x+2)=160 | | 5/8=1/10+(5/14)m | | (5/6)s+2/9=7/12 | | 5/6s+2/9=7/12 | | -3x+7=x=1 | | -4E-09x4+2E-06x3-0.0003x2+0.0083x+3.4943=1 | | 175m-75m+48000=50000-150m | | 3x+21=-2x-11 | | 5/3=9/y | | 3x+21=-2x-15 | | 4(5x2-4)=4x2 | | 10x+10+9x-9+4x-5=180 |

Equations solver categories