50=-2(21-b)+(b-4)

Simple and best practice solution for 50=-2(21-b)+(b-4) 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 50=-2(21-b)+(b-4) equation: 


Simplifying
50 = -2(21 + -1b) + (b + -4)
50 = (21 * -2 + -1b * -2) + (b + -4)
50 = (-42 + 2b) + (b + -4)

Reorder the terms:
50 = -42 + 2b + (-4 + b)

Remove parenthesis around (-4 + b)
50 = -42 + 2b + -4 + b

Reorder the terms:
50 = -42 + -4 + 2b + b

Combine like terms: -42 + -4 = -46
50 = -46 + 2b + b

Combine like terms: 2b + b = 3b
50 = -46 + 3b

Solving
50 = -46 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
50 + -3b = -46 + 3b + -3b

Combine like terms: 3b + -3b = 0
50 + -3b = -46 + 0
50 + -3b = -46

Add '-50' to each side of the equation.
50 + -50 + -3b = -46 + -50

Combine like terms: 50 + -50 = 0
0 + -3b = -46 + -50
-3b = -46 + -50

Combine like terms: -46 + -50 = -96
-3b = -96

Divide each side by '-3'.
b = 32

Simplifying
b = 32

See similar equations:

| 21+4x-x^2= | | 81=-3(3z) | | 4y+33=22+6y | | (-1)+x=17 | | -5(2n-6)=55 | | -5x+46=6 | | -2+7=y-2 | | 4x^2+4x=23 | | 2(2.98)+9.75-7(2.98)=-5.15 | | -3(3-5c)=13c+5 | | 2t-1=14-t | | -10=2-(7-z) | | -(-7y+4)-(-6y-8)=-1 | | -.4+2=.2+11 | | 25x-15x^2=0 | | -30=6(5x+15) | | 23=15-4x | | -4(2+r)=8 | | -1(2x-5)=4(x+2) | | (3x^2-4)-(x^3+5x^2-2x+12)=0 | | 6x^2=51x+165 | | 2(3y+5)-2= | | 2x-5=3-6x | | 9+-12+-7=-1 | | 13x-(3x-7)=17 | | x+2.5=3.1 | | 2x^2+53x+180=0 | | 2x-8=-18 | | 2x-5+8x-3=1-8x | | 9(2x-1)=3(6x+7) | | 4-6z=16 | | -2p+7+3p=13 |

Equations solver categories