1230=b+400

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Solution for 1230=b+400 equation:


Simplifying
1230 = b + 400

Reorder the terms:
1230 = 400 + b

Solving
1230 = 400 + 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.
1230 + -1b = 400 + b + -1b

Combine like terms: b + -1b = 0
1230 + -1b = 400 + 0
1230 + -1b = 400

Add '-1230' to each side of the equation.
1230 + -1230 + -1b = 400 + -1230

Combine like terms: 1230 + -1230 = 0
0 + -1b = 400 + -1230
-1b = 400 + -1230

Combine like terms: 400 + -1230 = -830
-1b = -830

Divide each side by '-1'.
b = 830

Simplifying
b = 830

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