3x+(5)=21

Simple and best practice solution for 3x+(5)=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+(5)=21 equation: 


Simplifying
3x + (5) = 21
3x + 5 = 21

Reorder the terms:
5 + 3x = 21

Solving
5 + 3x = 21

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 3x = 21 + -5

Combine like terms: 5 + -5 = 0
0 + 3x = 21 + -5
3x = 21 + -5

Combine like terms: 21 + -5 = 16
3x = 16

Divide each side by '3'.
x = 5.333333333

Simplifying
x = 5.333333333

See similar equations:

| 16x^2+75x=28 | | 0.1h-0.02+0.4h=0.01 | | (6z)(6z)(6z)+3-((4z)(4z)(4z))+5= | | x+35=182 | | 1/3(x-3)=3x-2(x-1)+7/3 | | -5.2x=-0.468 | | a*x+b*x-1=8 | | -6k+2k+8k= | | 6z^3-4z^5= | | -5a+2a=-10+2a | | -3x^2-7x+2=6 | | -16x^2+75x+3=25 | | (4+4x)/3+(2-x)/2=19/6 | | (4x-20)+(2x+18)=180 | | 6b-5b+6b= | | 54=14-2p | | 3y+9=12x | | (1/2)x+2/3=1/6 | | 3mn(3m^2-4n)= | | 5x-4y=6(5x+8) | | 1/4(5x+2)=3(1-3x)+18 | | (-2-5)-8(5-(-5))= | | 0=-6x^2+7x+6 | | x-49=44 | | 7=m-(-10) | | 7-8=10 | | 0=-9x^2+3x+9 | | 2x+2+3x-1= | | 6*-14+6y=42 | | 3x+76-23+6x=568x+32 | | (-6)+9+(-2)= | | -26x+18y=6000 |

Equations solver categories