30-7b=7(-3b+3)-5

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Solution for 30-7b=7(-3b+3)-5 equation:


Simplifying
30 + -7b = 7(-3b + 3) + -5

Reorder the terms:
30 + -7b = 7(3 + -3b) + -5
30 + -7b = (3 * 7 + -3b * 7) + -5
30 + -7b = (21 + -21b) + -5

Reorder the terms:
30 + -7b = 21 + -5 + -21b

Combine like terms: 21 + -5 = 16
30 + -7b = 16 + -21b

Solving
30 + -7b = 16 + -21b

Solving for variable 'b'.

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

Add '21b' to each side of the equation.
30 + -7b + 21b = 16 + -21b + 21b

Combine like terms: -7b + 21b = 14b
30 + 14b = 16 + -21b + 21b

Combine like terms: -21b + 21b = 0
30 + 14b = 16 + 0
30 + 14b = 16

Add '-30' to each side of the equation.
30 + -30 + 14b = 16 + -30

Combine like terms: 30 + -30 = 0
0 + 14b = 16 + -30
14b = 16 + -30

Combine like terms: 16 + -30 = -14
14b = -14

Divide each side by '14'.
b = -1

Simplifying
b = -1

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