25+5k=-3(-3-7k)

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Solution for 25+5k=-3(-3-7k) equation:


Simplifying
25 + 5k = -3(-3 + -7k)
25 + 5k = (-3 * -3 + -7k * -3)
25 + 5k = (9 + 21k)

Solving
25 + 5k = 9 + 21k

Solving for variable 'k'.

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

Add '-21k' to each side of the equation.
25 + 5k + -21k = 9 + 21k + -21k

Combine like terms: 5k + -21k = -16k
25 + -16k = 9 + 21k + -21k

Combine like terms: 21k + -21k = 0
25 + -16k = 9 + 0
25 + -16k = 9

Add '-25' to each side of the equation.
25 + -25 + -16k = 9 + -25

Combine like terms: 25 + -25 = 0
0 + -16k = 9 + -25
-16k = 9 + -25

Combine like terms: 9 + -25 = -16
-16k = -16

Divide each side by '-16'.
k = 1

Simplifying
k = 1

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