3x-12+x-2=21

Simple and best practice solution for 3x-12+x-2=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 3x-12+x-2=21 equation:


Simplifying
3x + -12 + x + -2 = 21

Reorder the terms:
-12 + -2 + 3x + x = 21

Combine like terms: -12 + -2 = -14
-14 + 3x + x = 21

Combine like terms: 3x + x = 4x
-14 + 4x = 21

Solving
-14 + 4x = 21

Solving for variable 'x'.

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

Add '14' to each side of the equation.
-14 + 14 + 4x = 21 + 14

Combine like terms: -14 + 14 = 0
0 + 4x = 21 + 14
4x = 21 + 14

Combine like terms: 21 + 14 = 35
4x = 35

Divide each side by '4'.
x = 8.75

Simplifying
x = 8.75

See similar equations:

| 4(x-2)+3(x+2)=9x+5 | | 7875=x-(x/5) | | 2x^2-5t-2=0 | | 5-2a=14 | | 11-13=6x+2 | | 3x/6=x/3 | | (9-8i)(7-7i)= | | (5/3/3/5)x2/5 | | (3x+5)=10 | | m=n/20 | | X^3+9x^2+8x/72 | | 115a+88b+40ab+10abc=300 | | 4x^10+19x^5-5=0 | | y=(9x+4)(x-4) | | 2x-12=10-x | | 115a+88b+40ab+10abc=188 | | -4x^2+24x-32=0 | | 115a+88b+40ab+10abc=25 | | 3Ia+3I+2=29 | | 3x-12/9-x | | x-4/4+x | | 2-x/2+x | | 3x-5/x-6 | | 12-x/x-6 | | 14+10/4 | | 168*X=120 | | x+4/2=9-3x | | -8=4/x | | 168/X=120 | | 120*X=168 | | 7,4=1,5-x | | x+100+80=180 |

Equations solver categories