2.5=d-9-120

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Solution for 2.5=d-9-120 equation:


Simplifying
2.5 = d + -9 + -120

Reorder the terms:
2.5 = -9 + -120 + d

Combine like terms: -9 + -120 = -129
2.5 = -129 + d

Solving
2.5 = -129 + 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.
2.5 + -1d = -129 + d + -1d

Combine like terms: d + -1d = 0
2.5 + -1d = -129 + 0
2.5 + -1d = -129

Add '-2.5' to each side of the equation.
2.5 + -2.5 + -1d = -129 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + -1d = -129 + -2.5
-1d = -129 + -2.5

Combine like terms: -129 + -2.5 = -131.5
-1d = -131.5

Divide each side by '-1'.
d = 131.5

Simplifying
d = 131.5

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