-3(3b-15)=6(2b+5)

Simple and best practice solution for -3(3b-15)=6(2b+5) 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(3b-15)=6(2b+5) equation:


Simplifying
-3(3b + -15) = 6(2b + 5)

Reorder the terms:
-3(-15 + 3b) = 6(2b + 5)
(-15 * -3 + 3b * -3) = 6(2b + 5)
(45 + -9b) = 6(2b + 5)

Reorder the terms:
45 + -9b = 6(5 + 2b)
45 + -9b = (5 * 6 + 2b * 6)
45 + -9b = (30 + 12b)

Solving
45 + -9b = 30 + 12b

Solving for variable 'b'.

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

Add '-12b' to each side of the equation.
45 + -9b + -12b = 30 + 12b + -12b

Combine like terms: -9b + -12b = -21b
45 + -21b = 30 + 12b + -12b

Combine like terms: 12b + -12b = 0
45 + -21b = 30 + 0
45 + -21b = 30

Add '-45' to each side of the equation.
45 + -45 + -21b = 30 + -45

Combine like terms: 45 + -45 = 0
0 + -21b = 30 + -45
-21b = 30 + -45

Combine like terms: 30 + -45 = -15
-21b = -15

Divide each side by '-21'.
b = 0.7142857143

Simplifying
b = 0.7142857143

See similar equations:

| 3X^2-18x-87= | | 13x^2-36=3 | | 5(x+2)+2=-23 | | -2+3(3n+2)=-3n+2(7n-1) | | 6(t-6)+6t=6(2t+4)-9 | | 7(x+8)+x=3(-9-x) | | -(x+5)+x=9(-3-x) | | x(x-6)=x^2+4x+9 | | 25a^2-10a+1=0 | | x^2-2x=x(3+x) | | 4y+3y=28 | | x(5x+3)=z | | 8-8(k+4)=8(k-6)+8k | | -5w^2+6w+8=0 | | 5(x+10)=x+6 | | 5x+1-3x= | | 2(2x+3)+2x=-8 | | 1/4+13/30= | | y=x^2+3x+3 | | 15x^2=7x | | 50(2x+8)=-22 | | 4+x+y=10-3y | | 6x(5g-2y+1m)= | | 3x+7=5x+8 | | 8n-9=-7+9n | | 12a-3x=17-4x | | -5(x+1)=10 | | t(t^2+5)= | | x-0.8=9.29 | | 5x-3+2x=15+3x+2 | | x^4=512 | | t^2(t+5)= |

Equations solver categories