20=7+6(b-3)

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Solution for 20=7+6(b-3) equation:


Simplifying
20 = 7 + 6(b + -3)

Reorder the terms:
20 = 7 + 6(-3 + b)
20 = 7 + (-3 * 6 + b * 6)
20 = 7 + (-18 + 6b)

Combine like terms: 7 + -18 = -11
20 = -11 + 6b

Solving
20 = -11 + 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.
20 + -6b = -11 + 6b + -6b

Combine like terms: 6b + -6b = 0
20 + -6b = -11 + 0
20 + -6b = -11

Add '-20' to each side of the equation.
20 + -20 + -6b = -11 + -20

Combine like terms: 20 + -20 = 0
0 + -6b = -11 + -20
-6b = -11 + -20

Combine like terms: -11 + -20 = -31
-6b = -31

Divide each side by '-6'.
b = 5.166666667

Simplifying
b = 5.166666667

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