30-7b=4(5b-6)

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Solution for 30-7b=4(5b-6) equation:


Simplifying
30 + -7b = 4(5b + -6)

Reorder the terms:
30 + -7b = 4(-6 + 5b)
30 + -7b = (-6 * 4 + 5b * 4)
30 + -7b = (-24 + 20b)

Solving
30 + -7b = -24 + 20b

Solving for variable 'b'.

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

Add '-20b' to each side of the equation.
30 + -7b + -20b = -24 + 20b + -20b

Combine like terms: -7b + -20b = -27b
30 + -27b = -24 + 20b + -20b

Combine like terms: 20b + -20b = 0
30 + -27b = -24 + 0
30 + -27b = -24

Add '-30' to each side of the equation.
30 + -30 + -27b = -24 + -30

Combine like terms: 30 + -30 = 0
0 + -27b = -24 + -30
-27b = -24 + -30

Combine like terms: -24 + -30 = -54
-27b = -54

Divide each side by '-27'.
b = 2

Simplifying
b = 2

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