3b+8=5(4-b)

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Solution for 3b+8=5(4-b) equation:


Simplifying
3b + 8 = 5(4 + -1b)

Reorder the terms:
8 + 3b = 5(4 + -1b)
8 + 3b = (4 * 5 + -1b * 5)
8 + 3b = (20 + -5b)

Solving
8 + 3b = 20 + -5b

Solving for variable 'b'.

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

Add '5b' to each side of the equation.
8 + 3b + 5b = 20 + -5b + 5b

Combine like terms: 3b + 5b = 8b
8 + 8b = 20 + -5b + 5b

Combine like terms: -5b + 5b = 0
8 + 8b = 20 + 0
8 + 8b = 20

Add '-8' to each side of the equation.
8 + -8 + 8b = 20 + -8

Combine like terms: 8 + -8 = 0
0 + 8b = 20 + -8
8b = 20 + -8

Combine like terms: 20 + -8 = 12
8b = 12

Divide each side by '8'.
b = 1.5

Simplifying
b = 1.5

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