3b-39=9(b-7)

Simple and best practice solution for 3b-39=9(b-7) 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 3b-39=9(b-7) equation:


Simplifying
3b + -39 = 9(b + -7)

Reorder the terms:
-39 + 3b = 9(b + -7)

Reorder the terms:
-39 + 3b = 9(-7 + b)
-39 + 3b = (-7 * 9 + b * 9)
-39 + 3b = (-63 + 9b)

Solving
-39 + 3b = -63 + 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
-39 + 3b + -9b = -63 + 9b + -9b

Combine like terms: 3b + -9b = -6b
-39 + -6b = -63 + 9b + -9b

Combine like terms: 9b + -9b = 0
-39 + -6b = -63 + 0
-39 + -6b = -63

Add '39' to each side of the equation.
-39 + 39 + -6b = -63 + 39

Combine like terms: -39 + 39 = 0
0 + -6b = -63 + 39
-6b = -63 + 39

Combine like terms: -63 + 39 = -24
-6b = -24

Divide each side by '-6'.
b = 4

Simplifying
b = 4

See similar equations:

| 2x+2y-z=2 | | (2x+1)+(2x-6)+x=180 | | 3x-y+2z=-3 | | a+(s+63)=713 | | 7×n/4=n= | | 6r^2/3r | | 7×n/4= | | 22x+176000=.8x | | 5/9-3/7y-1/9= | | 8x+21x-592=0 | | a^2-4a+15=0 | | 8x+21x-74=0 | | (h+8)(h+2)=100 | | (9x+9)+(8x-2)= | | C*c*23b=25 | | 7(5x-10)+8x= | | C*c*a=25 | | (1/5)/(8/9) | | (u+9)(u+8)=0 | | 5(6x+5)+6x= | | A*b*a=24 | | (3/-8)*(-2/7)*3 | | 3x^4/x-4 | | 9.25n+3.3=1.3-0.75n | | X*y^2=24 | | -4y(y+7)(y+5)=0 | | 2w^2-9w-180=0 | | (5u-6)=0 | | 225-22.5y+27.5=250 | | f(6)=-2(6)-1 | | (14+6x)-6x= | | 65+x=150 |

Equations solver categories