(21b-5)-5(4b+4)=-3

Simple and best practice solution for (21b-5)-5(4b+4)=-3 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)=-3 equation:


Simplifying
(21b + -5) + -5(4b + 4) = -3

Reorder the terms:
(-5 + 21b) + -5(4b + 4) = -3

Remove parenthesis around (-5 + 21b)
-5 + 21b + -5(4b + 4) = -3

Reorder the terms:
-5 + 21b + -5(4 + 4b) = -3
-5 + 21b + (4 * -5 + 4b * -5) = -3
-5 + 21b + (-20 + -20b) = -3

Reorder the terms:
-5 + -20 + 21b + -20b = -3

Combine like terms: -5 + -20 = -25
-25 + 21b + -20b = -3

Combine like terms: 21b + -20b = 1b
-25 + 1b = -3

Solving
-25 + 1b = -3

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 = -3 + 25

Combine like terms: -25 + 25 = 0
0 + 1b = -3 + 25
1b = -3 + 25

Combine like terms: -3 + 25 = 22
1b = 22

Divide each side by '1'.
b = 22

Simplifying
b = 22

See similar equations:

| 28=6+2r | | 2d+10=10+5d | | h-9=4h | | 2(x-4)-15=19-4x | | 4x^4+22x^3+10x^2=0 | | 10b+2=10b | | 3x+x=68whatisx | | Y+4=0(x+1) | | 2(3w-6)=6(w-6)+14 | | 55-2x=3x+5 | | 4c*3e= | | 6.8(x-4.25)=-27.2 | | 2k+9=3k+12 | | 7(7y-2)-(4y+8)= | | 4X+2-7x+7=-6 | | 2=u/3-10 | | 7+ax=14-3bx | | 4(5x+5)-8(8-x)=-30 | | 1.2=2/5(b-4) | | 8x-9=53 | | 2x+6-3x-11=-56 | | 7x-25= | | -2=x/6 | | x-8=33-7(x+7) | | 2y-3=6-y | | 12x-18-4x-2=0 | | 81.9=7(m+3.6) | | 68=0.2x+30 | | 12(n+3)=4(2n+9)+4n | | 0.4896*60t=300 | | 5y=11x+9 | | n(n+2)=24 |

Equations solver categories