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

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


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

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

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

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

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

Combine like terms: b + 15b = 16b
90 = 36 + 16b + 2b

Combine like terms: 16b + 2b = 18b
90 = 36 + 18b

Solving
90 = 36 + 18b

Solving for variable 'b'.

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

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

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

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

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

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

Divide each side by '-18'.
b = 3

Simplifying
b = 3

See similar equations:

| 30-4x=12-10x | | 5b-2=2b+16 | | (2x+3x-6)+(x^2-18x+6)= | | 118-2g=4g | | x^6+81y^3=0 | | y=50x-550 | | 2x^2+(m-1)*y^2-2mx+4y-1=0 | | 2(3a-1)=3(a-1) | | 8x^2-10=16x | | -t-(0.4)=-3 | | (7-3i)(8+4i)= | | 3(3a-4)=6 | | x^2-(441-84x+4x^2)=21 | | 180=x+x+54 | | 14-2a=4a-26 | | -7(1-4m)=1(2m-3) | | 13x+20=13x-20 | | 13x+7x-6=11 | | f(x)=x^3+64 | | 9h-30=51 | | x-10sqrt(x)+21=0 | | 6(2x+7)=3(5-4x) | | 2x-6-4x-3=0 | | 5x^2-9x-2=(5x+1) | | 11x+5-4x-4=16 | | 4y+180=720 | | 7x+6=-5(x-6) | | 6y+11=4-2y | | 4N+5=137 | | 5+6(x-8)(x-8)forx=9 | | 9x+4-6x-3=9 | | x^4-19x^2=48 |

Equations solver categories