3(2l+1)=21

Simple and best practice solution for 3(2l+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(2l+1)=21 equation: 


Simplifying
3(2l + 1) = 21

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

Solving
3 + 6l = 21

Solving for variable 'l'.

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

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

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

Combine like terms: 21 + -3 = 18
6l = 18

Divide each side by '6'.
l = 3

Simplifying
l = 3

See similar equations:

| 5(a-7)=10 | | -3(2t+10)=-60 | | 10(s-10)=-152 | | 4(f-1)=28 | | -2x+5y=27 | | 11.6=1.5(x-3.5) | | 14=1.5(x-3.5) | | y=-16(6)+52(6)+48 | | y=-16(5)+52(5)+48 | | y=-16(4)+52(4)+48 | | y=-16(3)+52(3)+48 | | y=-16(2)+52(2)+48 | | -2x^2-12x-19=0 | | 8c^3+22c^2+15c=0 | | y=-16(1)+52(1)+48 | | 7(3)+2(3(3)-11)=17 | | 2cx-ca-bx+2ab-cb-ax=2(c-a)(c-b) | | y=-16(0)+52(0)+48 | | a(x+a)+b(x+b)+2ab=0 | | (7x+19)(2x-1)=180 | | 1/3v=2-2/9 | | 3t=84-54 | | -b=5b-2b | | 5p+3=2p+21 | | 3(x-1)-2(x-3)=4 | | 0=12*x^2-172*x+420 | | v=12-v | | 3-0.4(5-2x)=5.6 | | 4x^6-13x^4+9x^2=0 | | 20=n^2+n | | 7x+5y=146 | | x^10-5=0 |

Equations solver categories