7b+21=14b+3

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Solution for 7b+21=14b+3 equation:


Simplifying
7b + 21 = 14b + 3

Reorder the terms:
21 + 7b = 14b + 3

Reorder the terms:
21 + 7b = 3 + 14b

Solving
21 + 7b = 3 + 14b

Solving for variable 'b'.

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

Add '-14b' to each side of the equation.
21 + 7b + -14b = 3 + 14b + -14b

Combine like terms: 7b + -14b = -7b
21 + -7b = 3 + 14b + -14b

Combine like terms: 14b + -14b = 0
21 + -7b = 3 + 0
21 + -7b = 3

Add '-21' to each side of the equation.
21 + -21 + -7b = 3 + -21

Combine like terms: 21 + -21 = 0
0 + -7b = 3 + -21
-7b = 3 + -21

Combine like terms: 3 + -21 = -18
-7b = -18

Divide each side by '-7'.
b = 2.571428571

Simplifying
b = 2.571428571

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