5(10)+9(13)+10(20)=4D

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Solution for 5(10)+9(13)+10(20)=4D equation:


Simplifying
5(10) + 9(13) + 10(20) = 4D

Multiply 5 * 10
50 + 9(13) + 10(20) = 4D

Multiply 9 * 13
50 + 117 + 10(20) = 4D

Multiply 10 * 20
50 + 117 + 200 = 4D

Combine like terms: 50 + 117 = 167
167 + 200 = 4D

Combine like terms: 167 + 200 = 367
367 = 4D

Solving
367 = 4D

Solving for variable 'D'.

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

Add '-4D' to each side of the equation.
367 + -4D = 4D + -4D

Combine like terms: 4D + -4D = 0
367 + -4D = 0

Add '-367' to each side of the equation.
367 + -367 + -4D = 0 + -367

Combine like terms: 367 + -367 = 0
0 + -4D = 0 + -367
-4D = 0 + -367

Combine like terms: 0 + -367 = -367
-4D = -367

Divide each side by '-4'.
D = 91.75

Simplifying
D = 91.75

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