-3(-7-b)=1b+23

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Solution for -3(-7-b)=1b+23 equation:


Simplifying
-3(-7 + -1b) = 1b + 23
(-7 * -3 + -1b * -3) = 1b + 23
(21 + 3b) = 1b + 23

Reorder the terms:
21 + 3b = 23 + 1b

Solving
21 + 3b = 23 + 1b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
21 + 3b + -1b = 23 + 1b + -1b

Combine like terms: 3b + -1b = 2b
21 + 2b = 23 + 1b + -1b

Combine like terms: 1b + -1b = 0
21 + 2b = 23 + 0
21 + 2b = 23

Add '-21' to each side of the equation.
21 + -21 + 2b = 23 + -21

Combine like terms: 21 + -21 = 0
0 + 2b = 23 + -21
2b = 23 + -21

Combine like terms: 23 + -21 = 2
2b = 2

Divide each side by '2'.
b = 1

Simplifying
b = 1

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