3b+3=5b-15

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Solution for 3b+3=5b-15 equation:


Simplifying
3b + 3 = 5b + -15

Reorder the terms:
3 + 3b = 5b + -15

Reorder the terms:
3 + 3b = -15 + 5b

Solving
3 + 3b = -15 + 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.
3 + 3b + -5b = -15 + 5b + -5b

Combine like terms: 3b + -5b = -2b
3 + -2b = -15 + 5b + -5b

Combine like terms: 5b + -5b = 0
3 + -2b = -15 + 0
3 + -2b = -15

Add '-3' to each side of the equation.
3 + -3 + -2b = -15 + -3

Combine like terms: 3 + -3 = 0
0 + -2b = -15 + -3
-2b = -15 + -3

Combine like terms: -15 + -3 = -18
-2b = -18

Divide each side by '-2'.
b = 9

Simplifying
b = 9

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