7(b-3)=39-5b

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Solution for 7(b-3)=39-5b equation:


Simplifying
7(b + -3) = 39 + -5b

Reorder the terms:
7(-3 + b) = 39 + -5b
(-3 * 7 + b * 7) = 39 + -5b
(-21 + 7b) = 39 + -5b

Solving
-21 + 7b = 39 + -5b

Solving for variable 'b'.

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

Add '5b' to each side of the equation.
-21 + 7b + 5b = 39 + -5b + 5b

Combine like terms: 7b + 5b = 12b
-21 + 12b = 39 + -5b + 5b

Combine like terms: -5b + 5b = 0
-21 + 12b = 39 + 0
-21 + 12b = 39

Add '21' to each side of the equation.
-21 + 21 + 12b = 39 + 21

Combine like terms: -21 + 21 = 0
0 + 12b = 39 + 21
12b = 39 + 21

Combine like terms: 39 + 21 = 60
12b = 60

Divide each side by '12'.
b = 5

Simplifying
b = 5

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