12x-5x=21

Simple and best practice solution for 12x-5x=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 12x-5x=21 equation: 


Simplifying
12x + -5x = 21

Combine like terms: 12x + -5x = 7x
7x = 21

Solving
7x = 21

Solving for variable 'x'.

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

Divide each side by '7'.
x = 3

Simplifying
x = 3

See similar equations:

| 3x^2-300x+5625=0 | | -2x-3=16 | | 150-6x=0 | | 14=x-5 | | 6(4x-5)-5(3x-16)=8x+6 | | 2-3(x-4)=-(x-2) | | 0.2(x+80)+0.4x=25 | | 10=3et | | 4(5x-1)-5(2x-13)=9x+12 | | 9x-3(2x-5)=21 | | f-3.3f-22.11=-58.83 | | f-3.3-22.11=-58.83 | | -2x+9y=7 | | 12x-24-6x-24=5x+6 | | 3y^2=5-4y | | 3-[8-(x-9)]=3(x-2) | | 22-6x=4-3x | | -2x-7=-8x-10 | | q(x)=x^4-4x^3+8 | | x^2+30x=1000 | | 3(9s+1)-18s=3(3s+1)-7 | | x(x+5)=2+55 | | 3+2x=5x-6 | | -6x-2=4x-35 | | -3(s+2)=-2(s+4)-s | | 4(2x-3)=-(2+3x)+5 | | 15x^2-17y+11x=0 | | 4x-(5-x)=20 | | d/14-9=5 | | 9x=x^2+4 | | 9x^2+64=0 | | 6(3x-4)-4(2x-13)=9x+6 |

Equations solver categories