3x+21=56

Simple and best practice solution for 3x+21=56 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=56 equation: 


Simplifying
3x + 21 = 56

Reorder the terms:
21 + 3x = 56

Solving
21 + 3x = 56

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 = 56 + -21

Combine like terms: 21 + -21 = 0
0 + 3x = 56 + -21
3x = 56 + -21

Combine like terms: 56 + -21 = 35
3x = 35

Divide each side by '3'.
x = 11.66666667

Simplifying
x = 11.66666667

See similar equations:

| 3x+11=-23 | | (x+3)^2/3-8=0 | | 4000=12 | | 3(a+b)+15-a+b= | | 2.25x^2-8x-7=0 | | 1/4(1x-2)+4=12 | | 16x+130=2x^2 | | 6+5(1m+1)=26 | | z/-4-3 | | 4r^2-4r-168=0 | | cos(2)=0 | | 5cos(2x)=2 | | 5=1z/-4-3 | | 6r^2+20r+16=0 | | 5x-7x=28 | | 126=(24+15+1.45)y | | E+22=-27 | | 29y=-7 | | 16-2x=-5x+13 | | 2.2+x=0.4 | | x^2*3=14-2 | | 6+3w=x | | 2x-3/3x+2=-2/3 | | √(12-x)/5=3/2+√(12-x) | | 150-4x=15x | | 2.25/-4.5=0.5 | | X+5+X+5= | | 20/2*5+5 | | 4x-3x=65 | | 286=89-y | | -6(0.1x+0.2)-0.8=-0.2 | | 2.25/-4.5= |

Equations solver categories