0.4b-8=-0.2b+7

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Solution for 0.4b-8=-0.2b+7 equation:


Simplifying
0.4b + -8 = -0.2b + 7

Reorder the terms:
-8 + 0.4b = -0.2b + 7

Reorder the terms:
-8 + 0.4b = 7 + -0.2b

Solving
-8 + 0.4b = 7 + -0.2b

Solving for variable 'b'.

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

Add '0.2b' to each side of the equation.
-8 + 0.4b + 0.2b = 7 + -0.2b + 0.2b

Combine like terms: 0.4b + 0.2b = 0.6b
-8 + 0.6b = 7 + -0.2b + 0.2b

Combine like terms: -0.2b + 0.2b = 0.0
-8 + 0.6b = 7 + 0.0
-8 + 0.6b = 7

Add '8' to each side of the equation.
-8 + 8 + 0.6b = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 0.6b = 7 + 8
0.6b = 7 + 8

Combine like terms: 7 + 8 = 15
0.6b = 15

Divide each side by '0.6'.
b = 25

Simplifying
b = 25

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