30-7b=(16+8b)4

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Solution for 30-7b=(16+8b)4 equation:


Simplifying
30 + -7b = (16 + 8b) * 4

Reorder the terms for easier multiplication:
30 + -7b = 4(16 + 8b)
30 + -7b = (16 * 4 + 8b * 4)
30 + -7b = (64 + 32b)

Solving
30 + -7b = 64 + 32b

Solving for variable 'b'.

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

Add '-32b' to each side of the equation.
30 + -7b + -32b = 64 + 32b + -32b

Combine like terms: -7b + -32b = -39b
30 + -39b = 64 + 32b + -32b

Combine like terms: 32b + -32b = 0
30 + -39b = 64 + 0
30 + -39b = 64

Add '-30' to each side of the equation.
30 + -30 + -39b = 64 + -30

Combine like terms: 30 + -30 = 0
0 + -39b = 64 + -30
-39b = 64 + -30

Combine like terms: 64 + -30 = 34
-39b = 34

Divide each side by '-39'.
b = -0.8717948718

Simplifying
b = -0.8717948718

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