3(b+7)=30

Simple and best practice solution for 3(b+7)=30 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(b+7)=30 equation:


Simplifying
3(b + 7) = 30

Reorder the terms:
3(7 + b) = 30
(7 * 3 + b * 3) = 30
(21 + 3b) = 30

Solving
21 + 3b = 30

Solving for variable 'b'.

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

Add '-21' to each side of the equation.
21 + -21 + 3b = 30 + -21

Combine like terms: 21 + -21 = 0
0 + 3b = 30 + -21
3b = 30 + -21

Combine like terms: 30 + -21 = 9
3b = 9

Divide each side by '3'.
b = 3

Simplifying
b = 3

See similar equations:

| 2d+3=11 | | 5x+20=3x+30 | | 2x-13=9+4x | | 2x-1=4x-5 | | -6+17= | | 5=-40-9p | | 7=t-(-7) | | 48=12d | | Y-4=1 | | 8m^2-4m-2=0 | | 0=7p-35 | | 4(x-3)-8=16 | | 15f-8f+13= | | 2x-37=-15 | | 8-2u=12 | | -3x-3=-36 | | T+9=20 | | 5n-8=12 | | 5a=24-3a | | 3-2(x+3)=x-18 | | 5+m=8 | | (3x+1)(x-4)=0 | | 6x-2x-9= | | 5x-3=18+2x | | -10x=-100 | | 18x^2+12x+2=0 | | x+y+z=2 | | x+y-4z=-3 | | g+12=5k | | 2w-5=11 | | 8x-17=71 | | 2(x+4)=7(x-3)+34 |

Equations solver categories