5b-78=2b-30

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Solution for 5b-78=2b-30 equation:


Simplifying
5b + -78 = 2b + -30

Reorder the terms:
-78 + 5b = 2b + -30

Reorder the terms:
-78 + 5b = -30 + 2b

Solving
-78 + 5b = -30 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
-78 + 5b + -2b = -30 + 2b + -2b

Combine like terms: 5b + -2b = 3b
-78 + 3b = -30 + 2b + -2b

Combine like terms: 2b + -2b = 0
-78 + 3b = -30 + 0
-78 + 3b = -30

Add '78' to each side of the equation.
-78 + 78 + 3b = -30 + 78

Combine like terms: -78 + 78 = 0
0 + 3b = -30 + 78
3b = -30 + 78

Combine like terms: -30 + 78 = 48
3b = 48

Divide each side by '3'.
b = 16

Simplifying
b = 16

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