-6.2=0.4(13)+b

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Solution for -6.2=0.4(13)+b equation:


Simplifying
-6.2 = 0.4(13) + b

Multiply 0.4 * 13
-6.2 = 5.2 + b

Solving
-6.2 = 5.2 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
-6.2 + -1b = 5.2 + b + -1b

Combine like terms: b + -1b = 0
-6.2 + -1b = 5.2 + 0
-6.2 + -1b = 5.2

Add '6.2' to each side of the equation.
-6.2 + 6.2 + -1b = 5.2 + 6.2

Combine like terms: -6.2 + 6.2 = 0.0
0.0 + -1b = 5.2 + 6.2
-1b = 5.2 + 6.2

Combine like terms: 5.2 + 6.2 = 11.4
-1b = 11.4

Divide each side by '-1'.
b = -11.4

Simplifying
b = -11.4

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