200*42=12*d

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Solution for 200*42=12*d equation:


Simplifying
200 * 42 = 12d

Multiply 200 * 42
8400 = 12d

Solving
8400 = 12d

Solving for variable 'd'.

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

Add '-12d' to each side of the equation.
8400 + -12d = 12d + -12d

Combine like terms: 12d + -12d = 0
8400 + -12d = 0

Add '-8400' to each side of the equation.
8400 + -8400 + -12d = 0 + -8400

Combine like terms: 8400 + -8400 = 0
0 + -12d = 0 + -8400
-12d = 0 + -8400

Combine like terms: 0 + -8400 = -8400
-12d = -8400

Divide each side by '-12'.
d = 700

Simplifying
d = 700

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