3b-3=4b-15

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Solution for 3b-3=4b-15 equation:


Simplifying
3b + -3 = 4b + -15

Reorder the terms:
-3 + 3b = 4b + -15

Reorder the terms:
-3 + 3b = -15 + 4b

Solving
-3 + 3b = -15 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
-3 + 3b + -4b = -15 + 4b + -4b

Combine like terms: 3b + -4b = -1b
-3 + -1b = -15 + 4b + -4b

Combine like terms: 4b + -4b = 0
-3 + -1b = -15 + 0
-3 + -1b = -15

Add '3' to each side of the equation.
-3 + 3 + -1b = -15 + 3

Combine like terms: -3 + 3 = 0
0 + -1b = -15 + 3
-1b = -15 + 3

Combine like terms: -15 + 3 = -12
-1b = -12

Divide each side by '-1'.
b = 12

Simplifying
b = 12

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