20b-2=7b-7.4

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Solution for 20b-2=7b-7.4 equation:


Simplifying
20b + -2 = 7b + -7.4

Reorder the terms:
-2 + 20b = 7b + -7.4

Reorder the terms:
-2 + 20b = -7.4 + 7b

Solving
-2 + 20b = -7.4 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
-2 + 20b + -7b = -7.4 + 7b + -7b

Combine like terms: 20b + -7b = 13b
-2 + 13b = -7.4 + 7b + -7b

Combine like terms: 7b + -7b = 0
-2 + 13b = -7.4 + 0
-2 + 13b = -7.4

Add '2' to each side of the equation.
-2 + 2 + 13b = -7.4 + 2

Combine like terms: -2 + 2 = 0
0 + 13b = -7.4 + 2
13b = -7.4 + 2

Combine like terms: -7.4 + 2 = -5.4
13b = -5.4

Divide each side by '13'.
b = -0.4153846154

Simplifying
b = -0.4153846154

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