(5d+16)-(4d+7)=0

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Solution for (5d+16)-(4d+7)=0 equation:


Simplifying
(5d + 16) + -1(4d + 7) = 0

Reorder the terms:
(16 + 5d) + -1(4d + 7) = 0

Remove parenthesis around (16 + 5d)
16 + 5d + -1(4d + 7) = 0

Reorder the terms:
16 + 5d + -1(7 + 4d) = 0
16 + 5d + (7 * -1 + 4d * -1) = 0
16 + 5d + (-7 + -4d) = 0

Reorder the terms:
16 + -7 + 5d + -4d = 0

Combine like terms: 16 + -7 = 9
9 + 5d + -4d = 0

Combine like terms: 5d + -4d = 1d
9 + 1d = 0

Solving
9 + 1d = 0

Solving for variable 'd'.

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

Add '-9' to each side of the equation.
9 + -9 + 1d = 0 + -9

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

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

Divide each side by '1'.
d = -9

Simplifying
d = -9

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