7b+15=3b-1

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Solution for 7b+15=3b-1 equation:


Simplifying
7b + 15 = 3b + -1

Reorder the terms:
15 + 7b = 3b + -1

Reorder the terms:
15 + 7b = -1 + 3b

Solving
15 + 7b = -1 + 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.
15 + 7b + -3b = -1 + 3b + -3b

Combine like terms: 7b + -3b = 4b
15 + 4b = -1 + 3b + -3b

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

Add '-15' to each side of the equation.
15 + -15 + 4b = -1 + -15

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

Combine like terms: -1 + -15 = -16
4b = -16

Divide each side by '4'.
b = -4

Simplifying
b = -4

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