8(7-2b)=-(4+b)

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Solution for 8(7-2b)=-(4+b) equation:


Simplifying
8(7 + -2b) = -1(4 + b)
(7 * 8 + -2b * 8) = -1(4 + b)
(56 + -16b) = -1(4 + b)
56 + -16b = (4 * -1 + b * -1)
56 + -16b = (-4 + -1b)

Solving
56 + -16b = -4 + -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
56 + -16b + b = -4 + -1b + b

Combine like terms: -16b + b = -15b
56 + -15b = -4 + -1b + b

Combine like terms: -1b + b = 0
56 + -15b = -4 + 0
56 + -15b = -4

Add '-56' to each side of the equation.
56 + -56 + -15b = -4 + -56

Combine like terms: 56 + -56 = 0
0 + -15b = -4 + -56
-15b = -4 + -56

Combine like terms: -4 + -56 = -60
-15b = -60

Divide each side by '-15'.
b = 4

Simplifying
b = 4

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