3b-15=4b+8

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Solution for 3b-15=4b+8 equation:


Simplifying
3b + -15 = 4b + 8

Reorder the terms:
-15 + 3b = 4b + 8

Reorder the terms:
-15 + 3b = 8 + 4b

Solving
-15 + 3b = 8 + 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.
-15 + 3b + -4b = 8 + 4b + -4b

Combine like terms: 3b + -4b = -1b
-15 + -1b = 8 + 4b + -4b

Combine like terms: 4b + -4b = 0
-15 + -1b = 8 + 0
-15 + -1b = 8

Add '15' to each side of the equation.
-15 + 15 + -1b = 8 + 15

Combine like terms: -15 + 15 = 0
0 + -1b = 8 + 15
-1b = 8 + 15

Combine like terms: 8 + 15 = 23
-1b = 23

Divide each side by '-1'.
b = -23

Simplifying
b = -23

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