8(4b+5)=21

Simple and best practice solution for 8(4b+5)=21 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 8(4b+5)=21 equation:


Simplifying
8(4b + 5) = 21

Reorder the terms:
8(5 + 4b) = 21
(5 * 8 + 4b * 8) = 21
(40 + 32b) = 21

Solving
40 + 32b = 21

Solving for variable 'b'.

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

Add '-40' to each side of the equation.
40 + -40 + 32b = 21 + -40

Combine like terms: 40 + -40 = 0
0 + 32b = 21 + -40
32b = 21 + -40

Combine like terms: 21 + -40 = -19
32b = -19

Divide each side by '32'.
b = -0.59375

Simplifying
b = -0.59375

See similar equations:

| 2/32-1 | | h(t)=-16+122t+4 | | y=1/4×-8-2 | | 4(1-3D)=-24 | | 2(6z-1)-5(z+2)=5(z+1) | | -5k+6k=-23 | | 12y-15-2y=5 | | 2.25=x^2 | | 12y-15-2y=15 | | 8x+2y=98 | | 2a-(-10)-4a+7=29 | | X/=12 | | 4(9-3n)=-17 | | 13x+14=x | | 15-(4x-5)=22 | | 3k+9=2(k+6) | | 6e^2x-18x=0 | | 1/12(-1)= | | 358=2.50p+3.00b | | 4z+-9=9z+-34 | | H(-3x-7)+(4x+7)= | | .85x=32.89 | | 2a-(-10)-4a+7=27 | | 3x-8y=54 | | 5b+2= | | -10y-25=12+13 | | 2/3=y-1/6 | | 16=k/18 | | 10(-4+y)+8=2(6x-5)+3 | | -23+3a=7(8a-5) | | y=3x^2-(2X+1) | | 3*13-2t=15 |

Equations solver categories