8=7-3(2b+1)

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Solution for 8=7-3(2b+1) equation:


Simplifying
8 = 7 + -3(2b + 1)

Reorder the terms:
8 = 7 + -3(1 + 2b)
8 = 7 + (1 * -3 + 2b * -3)
8 = 7 + (-3 + -6b)

Combine like terms: 7 + -3 = 4
8 = 4 + -6b

Solving
8 = 4 + -6b

Solving for variable 'b'.

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

Add '6b' to each side of the equation.
8 + 6b = 4 + -6b + 6b

Combine like terms: -6b + 6b = 0
8 + 6b = 4 + 0
8 + 6b = 4

Add '-8' to each side of the equation.
8 + -8 + 6b = 4 + -8

Combine like terms: 8 + -8 = 0
0 + 6b = 4 + -8
6b = 4 + -8

Combine like terms: 4 + -8 = -4
6b = -4

Divide each side by '6'.
b = -0.6666666667

Simplifying
b = -0.6666666667

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