d+10d+25(25-2d)=157

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Solution for d+10d+25(25-2d)=157 equation:


Simplifying
d + 10d + 25(25 + -2d) = 157
d + 10d + (25 * 25 + -2d * 25) = 157
d + 10d + (625 + -50d) = 157

Reorder the terms:
625 + d + 10d + -50d = 157

Combine like terms: d + 10d = 11d
625 + 11d + -50d = 157

Combine like terms: 11d + -50d = -39d
625 + -39d = 157

Solving
625 + -39d = 157

Solving for variable 'd'.

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

Add '-625' to each side of the equation.
625 + -625 + -39d = 157 + -625

Combine like terms: 625 + -625 = 0
0 + -39d = 157 + -625
-39d = 157 + -625

Combine like terms: 157 + -625 = -468
-39d = -468

Divide each side by '-39'.
d = 12

Simplifying
d = 12

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