75=3+d+12+4-10

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Solution for 75=3+d+12+4-10 equation:


Simplifying
75 = 3 + d + 12 + 4 + -10

Reorder the terms:
75 = 3 + 12 + 4 + -10 + d

Combine like terms: 3 + 12 = 15
75 = 15 + 4 + -10 + d

Combine like terms: 15 + 4 = 19
75 = 19 + -10 + d

Combine like terms: 19 + -10 = 9
75 = 9 + d

Solving
75 = 9 + d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
75 + -1d = 9 + d + -1d

Combine like terms: d + -1d = 0
75 + -1d = 9 + 0
75 + -1d = 9

Add '-75' to each side of the equation.
75 + -75 + -1d = 9 + -75

Combine like terms: 75 + -75 = 0
0 + -1d = 9 + -75
-1d = 9 + -75

Combine like terms: 9 + -75 = -66
-1d = -66

Divide each side by '-1'.
d = 66

Simplifying
d = 66

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