20=-3+7(b-2)

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Solution for 20=-3+7(b-2) equation:


Simplifying
20 = -3 + 7(b + -2)

Reorder the terms:
20 = -3 + 7(-2 + b)
20 = -3 + (-2 * 7 + b * 7)
20 = -3 + (-14 + 7b)

Combine like terms: -3 + -14 = -17
20 = -17 + 7b

Solving
20 = -17 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
20 + -7b = -17 + 7b + -7b

Combine like terms: 7b + -7b = 0
20 + -7b = -17 + 0
20 + -7b = -17

Add '-20' to each side of the equation.
20 + -20 + -7b = -17 + -20

Combine like terms: 20 + -20 = 0
0 + -7b = -17 + -20
-7b = -17 + -20

Combine like terms: -17 + -20 = -37
-7b = -37

Divide each side by '-7'.
b = 5.285714286

Simplifying
b = 5.285714286

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