3x-21=63

Simple and best practice solution for 3x-21=63 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=63 equation: 


Simplifying
3x + -21 = 63

Reorder the terms:
-21 + 3x = 63

Solving
-21 + 3x = 63

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 3x = 63 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = 63 + 21
3x = 63 + 21

Combine like terms: 63 + 21 = 84
3x = 84

Divide each side by '3'.
x = 28

Simplifying
x = 28

See similar equations:

| 5x(x+5)-21= | | -4(4t^2-49)=0 | | 8+x=-3x+6 | | -4y-2x=4-6y-7x | | 3(8-x)=9 | | 4(3z-1)-3(z+7)=4(z+1) | | 47+(-15)= | | 6-4d=6-9d | | 17=2x-4 | | -3(x-3)=-6x-3 | | -4x-8=5x-62 | | -2x+3=-5x+13 | | 1.75n=5+(.5*2n) | | -16t^2+196=0 | | 16-4d=16-9d | | 4y^2=6y-5 | | -5x-77=-3(x+9) | | t-(1)=45 | | 2x+2=6x-46 | | -6(t-2)-(t+4)=10 | | 7-x=3(x+7) | | 8z+3=8z-13 | | 12+0.10x=0.25x | | .75n=(.5*2n)+5 | | 6(4k+3)+8(6-2k)= | | 4x+4x+50=180 | | 12(v+1)-4v=4(2v+1)-6 | | 1-5(x-3)=7.5 | | X-7=3(x+7) | | 3x+4-3+20= | | 5(x+5)-21= | | .75n=5+.5n |

Equations solver categories