2b+15=3b+7

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Solution for 2b+15=3b+7 equation:


Simplifying
2b + 15 = 3b + 7

Reorder the terms:
15 + 2b = 3b + 7

Reorder the terms:
15 + 2b = 7 + 3b

Solving
15 + 2b = 7 + 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 + 2b + -3b = 7 + 3b + -3b

Combine like terms: 2b + -3b = -1b
15 + -1b = 7 + 3b + -3b

Combine like terms: 3b + -3b = 0
15 + -1b = 7 + 0
15 + -1b = 7

Add '-15' to each side of the equation.
15 + -15 + -1b = 7 + -15

Combine like terms: 15 + -15 = 0
0 + -1b = 7 + -15
-1b = 7 + -15

Combine like terms: 7 + -15 = -8
-1b = -8

Divide each side by '-1'.
b = 8

Simplifying
b = 8

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