3x+139+4x+20=180

Simple and best practice solution for 3x+139+4x+20=180 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+139+4x+20=180 equation:


Simplifying
3x + 139 + 4x + 20 = 180

Reorder the terms:
139 + 20 + 3x + 4x = 180

Combine like terms: 139 + 20 = 159
159 + 3x + 4x = 180

Combine like terms: 3x + 4x = 7x
159 + 7x = 180

Solving
159 + 7x = 180

Solving for variable 'x'.

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

Add '-159' to each side of the equation.
159 + -159 + 7x = 180 + -159

Combine like terms: 159 + -159 = 0
0 + 7x = 180 + -159
7x = 180 + -159

Combine like terms: 180 + -159 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

See similar equations:

| 8x+29-3x=-11 | | 11x^2+2x-10=0 | | h/(-2)+(-12)=(-10) | | 3u=37.5 | | 2d-(-1)=7 | | n^3+7n^2= | | 40x+(-11x)-(-8x)-42x=40 | | (z^4)+56=0 | | p^4-14p^3+40p^2= | | 3y+2=29 | | 2r-r-r+r=19 | | 7y+2y+(-10y)+(-4y)-y+(-16)=20 | | 3x^4+3x^3-36x^2= | | x+(x*0.08)=50 | | 5a^2+80a+300= | | (451+x*0.214)*1.1=1049.47 | | 3+-8-3x=2 | | 2x-(3+5(x-5))=10 | | v^3-8-27=0 | | 12k+k-10k-2k=8 | | 320=80t-5t^2 | | -4x+7+2x=15 | | v^2-6v+8= | | 7z-20z+11z-(-13z)+(-13z)+(-15)=3 | | b^2+10b+16= | | x^2+9-48=0 | | 5(2x-1)-2(x+4)=19 | | 4-6x+4x=4 | | 18r-(-14r)+(-18r)+(-10r)=(-20) | | -17+y+8=-5 | | 472=(2b+3)(h) | | 4x-7=-7-2x+4x |

Equations solver categories