-3x+21=21

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


Simplifying
-3x + 21 = 21

Reorder the terms:
21 + -3x = 21

Add '-21' to each side of the equation.
21 + -21 + -3x = 21 + -21

Combine like terms: 21 + -21 = 0
0 + -3x = 21 + -21
-3x = 21 + -21

Combine like terms: 21 + -21 = 0
-3x = 0

Solving
-3x = 0

Solving for variable 'x'.

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

Divide each side by '-3'.
x = 0

Simplifying
x = 0

See similar equations:

| 5(6x+6)+2x= | | 2(x+12)+2x=104 | | 5t^2+7t=0 | | -n-1+5=-2 | | 8x+-5=6x+-1 | | j^2-23j=0 | | 4x+18y=3 | | 4(1-2v)=4(1-8v)+5v | | 7(3x-6)= | | 12+5x=6y | | (2x+11)+8x= | | ln(x+9)-ln(x-9)=0 | | y=3x*ln(7x)-3x | | 169m^2+26m+1=0 | | 84p^2-45p=0 | | 5(3x+8)-4= | | 200-x= | | 82x^2+94x=0 | | 2x=4x+32 | | 3h^2-8h-16=0 | | 72-8d-5d=12d-3 | | 7(4x-1)+37= | | j^2-48j=0 | | 17w^2+46w=0 | | (2x+11)+9x= | | 6(3x-2)=4x-2 | | (5x-6)+6= | | 8g^2+19g+6=0 | | 4(x-3)+7-10=5 | | 6(3x-1)+25= | | 8+4xm=-12 | | 2x^2-5+5=0 |

Equations solver categories