15(b+2)+15+(2b-9)+b=90

Simple and best practice solution for 15(b+2)+15+(2b-9)+b=90 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 15(b+2)+15+(2b-9)+b=90 equation: 


Simplifying
15(b + 2) + 15 + (2b + -9) + b = 90

Reorder the terms:
15(2 + b) + 15 + (2b + -9) + b = 90
(2 * 15 + b * 15) + 15 + (2b + -9) + b = 90
(30 + 15b) + 15 + (2b + -9) + b = 90

Reorder the terms:
30 + 15b + 15 + (-9 + 2b) + b = 90

Remove parenthesis around (-9 + 2b)
30 + 15b + 15 + -9 + 2b + b = 90

Reorder the terms:
30 + 15 + -9 + 15b + 2b + b = 90

Combine like terms: 30 + 15 = 45
45 + -9 + 15b + 2b + b = 90

Combine like terms: 45 + -9 = 36
36 + 15b + 2b + b = 90

Combine like terms: 15b + 2b = 17b
36 + 17b + b = 90

Combine like terms: 17b + b = 18b
36 + 18b = 90

Solving
36 + 18b = 90

Solving for variable 'b'.

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

Add '-36' to each side of the equation.
36 + -36 + 18b = 90 + -36

Combine like terms: 36 + -36 = 0
0 + 18b = 90 + -36
18b = 90 + -36

Combine like terms: 90 + -36 = 54
18b = 54

Divide each side by '18'.
b = 3

Simplifying
b = 3

See similar equations:

| 4c+5=5+4c | | y=-14x+18 | | 6x-5=-60x+-100+5 | | 6x+6+4(x+4)+3= | | -36=24-w | | -5-7(5-2)= | | 0.005*x=1780 | | 1000-x=100 | | 4(r-7)=-28+4r | | 6+1x=1x | | 20b-17b=3 | | 2n+2.8=5.6 | | 6+3p=9p | | -(x-7)=-6x+7 | | x*0.05=1780 | | 2x=30+x | | X^2-2x=364 | | 12w-4w-5w+3w-5w=8 | | -36+8x=4+8(1+3x) | | -53-2i=-i | | 13g-6g+3g-4g+4g=20 | | 25(x+2)=30 | | 3x+3(-.75-.5)=2 | | 5(1-3p)=-31-3p | | 16x+24y= | | 6a+2=4a+18 | | 4(x-2)=3x-5 | | 2x-4+2(2x)+13=-2-2x-16+6 | | 6m-7-4m=-23 | | 5w^4-24w^3+25w^2-4=0 | | 22-4x=6(x-3) | | x+12+100+x=180 |

Equations solver categories