(21b-5)-5(4b+4)=-6

Simple and best practice solution for (21b-5)-5(4b+4)=-6 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 (21b-5)-5(4b+4)=-6 equation:


Simplifying
(21b + -5) + -5(4b + 4) = -6

Reorder the terms:
(-5 + 21b) + -5(4b + 4) = -6

Remove parenthesis around (-5 + 21b)
-5 + 21b + -5(4b + 4) = -6

Reorder the terms:
-5 + 21b + -5(4 + 4b) = -6
-5 + 21b + (4 * -5 + 4b * -5) = -6
-5 + 21b + (-20 + -20b) = -6

Reorder the terms:
-5 + -20 + 21b + -20b = -6

Combine like terms: -5 + -20 = -25
-25 + 21b + -20b = -6

Combine like terms: 21b + -20b = 1b
-25 + 1b = -6

Solving
-25 + 1b = -6

Solving for variable 'b'.

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

Add '25' to each side of the equation.
-25 + 25 + 1b = -6 + 25

Combine like terms: -25 + 25 = 0
0 + 1b = -6 + 25
1b = -6 + 25

Combine like terms: -6 + 25 = 19
1b = 19

Divide each side by '1'.
b = 19

Simplifying
b = 19

See similar equations:

| 3+(n+2)=12 | | (X+8)(-2)=12 | | 14*9+1=n | | 3x+x=5080 | | 6+6x+5x=6 | | 4(5x-1)(x-3)=0 | | 89+38=n | | (3a+b)= | | 3c=5 | | X-2-3x-3= | | 3ac=5 | | 51=7x+7x+9 | | 7(3x-8)=21x-56 | | 25x^2-10x=8 | | 2x-2(-3x+3)=58 | | 8(1+5x)+5=13+55x | | 7x+1+7x=155 | | y=550+25x | | 1x=1+-2y | | (X-2)+(3x-3)= | | z(a-6)+4=2a-6 | | 10x+2=-5x+22 | | 14v+5-5v=4(4+5) | | 5=7-6y | | 1.5+0.25=-4.2+-0.04 | | 3(2d-3)=27 | | 11x+13=7x+41 | | -7(2x-4)+2=-14x+30 | | 5-3(x-7)=32 | | 5x^2/3-9x^1/3-2=0 | | 17(z-6)=70 | | px+y=5 |

Equations solver categories