138-5x=4x+21

Simple and best practice solution for 138-5x=4x+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 138-5x=4x+21 equation:


Simplifying
138 + -5x = 4x + 21

Reorder the terms:
138 + -5x = 21 + 4x

Solving
138 + -5x = 21 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
138 + -5x + -4x = 21 + 4x + -4x

Combine like terms: -5x + -4x = -9x
138 + -9x = 21 + 4x + -4x

Combine like terms: 4x + -4x = 0
138 + -9x = 21 + 0
138 + -9x = 21

Add '-138' to each side of the equation.
138 + -138 + -9x = 21 + -138

Combine like terms: 138 + -138 = 0
0 + -9x = 21 + -138
-9x = 21 + -138

Combine like terms: 21 + -138 = -117
-9x = -117

Divide each side by '-9'.
x = 13

Simplifying
x = 13

See similar equations:

| 7y+7(y+3)=21 | | 5x-5y=20 | | 58-3x=10x+19 | | 3x+13=69-4x | | 4n-n=n+9 | | 0.40z=80 | | 3x+40=10x-16 | | 90-2x=16x+24 | | 3x+44=7x+12 | | 7x+2y=19 | | 10x+5=7x+23 | | 8x-8y=1 | | 50+3x-6+8x+4=180 | | 50+3x-4+8x+4=180 | | z^2-10z+10=-11 | | 2x+6=12-x | | 45-3x=17+11x | | 3x^3-24x^2+21x=0 | | 161-5x=5x+21 | | 6-7x=6x-9x-10 | | y=-x^2+5x | | y=-2x^2 | | 2x-4y=2 | | 6x+8-216x+10=0 | | 6x+9x-38=76-4x | | v-8=32 | | 2x^2+10x=28 | | -7x+12+8x=4+x+8 | | 5y+17=2y-25 | | 7-8x=39-22x | | 20x+80=10x+90 | | 9x-15=180 |

Equations solver categories