105=-5(4b+7)

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Solution for 105=-5(4b+7) equation:


Simplifying
105 = -5(4b + 7)

Reorder the terms:
105 = -5(7 + 4b)
105 = (7 * -5 + 4b * -5)
105 = (-35 + -20b)

Solving
105 = -35 + -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.
105 + 20b = -35 + -20b + 20b

Combine like terms: -20b + 20b = 0
105 + 20b = -35 + 0
105 + 20b = -35

Add '-105' to each side of the equation.
105 + -105 + 20b = -35 + -105

Combine like terms: 105 + -105 = 0
0 + 20b = -35 + -105
20b = -35 + -105

Combine like terms: -35 + -105 = -140
20b = -140

Divide each side by '20'.
b = -7

Simplifying
b = -7

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