(d-10)+(d+3)=

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Solution for (d-10)+(d+3)= equation:


Simplifying
(d + -10) + (d + 3) = 0

Reorder the terms:
(-10 + d) + (d + 3) = 0

Remove parenthesis around (-10 + d)
-10 + d + (d + 3) = 0

Reorder the terms:
-10 + d + (3 + d) = 0

Remove parenthesis around (3 + d)
-10 + d + 3 + d = 0

Reorder the terms:
-10 + 3 + d + d = 0

Combine like terms: -10 + 3 = -7
-7 + d + d = 0

Combine like terms: d + d = 2d
-7 + 2d = 0

Solving
-7 + 2d = 0

Solving for variable 'd'.

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

Add '7' to each side of the equation.
-7 + 7 + 2d = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 2d = 0 + 7
2d = 0 + 7

Combine like terms: 0 + 7 = 7
2d = 7

Divide each side by '2'.
d = 3.5

Simplifying
d = 3.5

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