10b-3=4b-21

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Solution for 10b-3=4b-21 equation:


Simplifying
10b + -3 = 4b + -21

Reorder the terms:
-3 + 10b = 4b + -21

Reorder the terms:
-3 + 10b = -21 + 4b

Solving
-3 + 10b = -21 + 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 + 10b + -4b = -21 + 4b + -4b

Combine like terms: 10b + -4b = 6b
-3 + 6b = -21 + 4b + -4b

Combine like terms: 4b + -4b = 0
-3 + 6b = -21 + 0
-3 + 6b = -21

Add '3' to each side of the equation.
-3 + 3 + 6b = -21 + 3

Combine like terms: -3 + 3 = 0
0 + 6b = -21 + 3
6b = -21 + 3

Combine like terms: -21 + 3 = -18
6b = -18

Divide each side by '6'.
b = -3

Simplifying
b = -3

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