400=mx+b

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Solution for 400=mx+b equation:


Simplifying
400 = mx + b

Reorder the terms:
400 = b + mx

Solving
400 = b + mx

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.
400 + -1b = b + -1b + mx

Combine like terms: b + -1b = 0
400 + -1b = 0 + mx
400 + -1b = mx

Add '-400' to each side of the equation.
400 + -400 + -1b = -400 + mx

Combine like terms: 400 + -400 = 0
0 + -1b = -400 + mx
-1b = -400 + mx

Divide each side by '-1'.
b = 400 + -1mx

Simplifying
b = 400 + -1mx

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