120-x=3x

Simple and best practice solution for 120-x=3x 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 120-x=3x equation:


Simplifying
120 + -1x = 3x

Solving
120 + -1x = 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
120 + -1x + -3x = 3x + -3x

Combine like terms: -1x + -3x = -4x
120 + -4x = 3x + -3x

Combine like terms: 3x + -3x = 0
120 + -4x = 0

Add '-120' to each side of the equation.
120 + -120 + -4x = 0 + -120

Combine like terms: 120 + -120 = 0
0 + -4x = 0 + -120
-4x = 0 + -120

Combine like terms: 0 + -120 = -120
-4x = -120

Divide each side by '-4'.
x = 30

Simplifying
x = 30

See similar equations:

| 3(r+1)-1[2(3-2r)-3(3-r)]=2(r+5)-4 | | 120+.40x=50+.60x | | 1/2x-5x | | 120x+.40=50x+.60 | | 5(2m+3)-1(1-2m)=2[3(3+2m)-1(3-m)] | | 2x(50-15)=2y | | 16vw^2x^3-28v^4w^4= | | 4(x+9)-6(9x-5)=14 | | y-9=25 | | 9(3x+6)=-x(x-2) | | 2[5(w+3)-1(w+1)]=3(1+w) | | (4/9x)/(2/3x) | | 1x+3+2x=-8 | | 4k^2-7k=2 | | 2(n+7)=8-n | | 1-4(x+5)=7x-8 | | 4.5=0.5x | | 9q^2-17q=2 | | 2.46=4/3(3.14)r^3 | | -3m-11+16m=15 | | Ab-c=4 | | 3z^2-14z=5 | | S=2LH+2LW | | 4q^2-12q=0 | | 9kx^2+2kx+3=0 | | 2k^2-17k=9 | | 2k^2-17k=0 | | ab=21 | | 7a=24 | | X^2-9=3x-1 | | 4/11=20x/33 | | X=8+-1x |

Equations solver categories