5b-3(b-7)=2+3b

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Solution for 5b-3(b-7)=2+3b equation:


Simplifying
5b + -3(b + -7) = 2 + 3b

Reorder the terms:
5b + -3(-7 + b) = 2 + 3b
5b + (-7 * -3 + b * -3) = 2 + 3b
5b + (21 + -3b) = 2 + 3b

Reorder the terms:
21 + 5b + -3b = 2 + 3b

Combine like terms: 5b + -3b = 2b
21 + 2b = 2 + 3b

Solving
21 + 2b = 2 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
21 + 2b + -3b = 2 + 3b + -3b

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

Combine like terms: 3b + -3b = 0
21 + -1b = 2 + 0
21 + -1b = 2

Add '-21' to each side of the equation.
21 + -21 + -1b = 2 + -21

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

Combine like terms: 2 + -21 = -19
-1b = -19

Divide each side by '-1'.
b = 19

Simplifying
b = 19

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