3(2x-1)=21

Simple and best practice solution for 3(2x-1)=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 3(2x-1)=21 equation: 


Simplifying
3(2x + -1) = 21

Reorder the terms:
3(-1 + 2x) = 21
(-1 * 3 + 2x * 3) = 21
(-3 + 6x) = 21

Solving
-3 + 6x = 21

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 6x = 21 + 3

Combine like terms: -3 + 3 = 0
0 + 6x = 21 + 3
6x = 21 + 3

Combine like terms: 21 + 3 = 24
6x = 24

Divide each side by '6'.
x = 4

Simplifying
x = 4

See similar equations:

| 12x-3=8x-12+8 | | 4x+13=-86-7x | | -7.7x=30.8 | | 185-6x=6x+5 | | -4-5x=14-7x | | 83-5x=8x+18 | | 8t=-42 | | 4x+6=86-4 | | 3p=-21 | | 4x+6=86-4x | | -7(2b+1)+(15b-7)=0 | | 5.6q-5.5-4.8q=-2q-1.2 | | 13x+9-3=12x-3 | | -3y+2=-4y+8 | | 5u-u=u+15 | | 2x-2=9x-65 | | 5x+29=12x-34 | | 12d+4=8d | | V=pi*r*r*h | | 108+4u=-2u | | 5x-15=-8(x-3) | | 4x+58=8x+14 | | 10x+7=6x+31 | | 9(u-4)=2u-22 | | -9x+1=80 | | -2u-6=-6(u-3) | | t-32=-16 | | 4x-7x-8=0 | | 7x-9=61 | | 15x^3+90x^2+120x=0 | | 9*x-7=-7 | | 2h+8=270 |

Equations solver categories