12+2k=-7(-5k+4)+7

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Solution for 12+2k=-7(-5k+4)+7 equation:


Simplifying
12 + 2k = -7(-5k + 4) + 7

Reorder the terms:
12 + 2k = -7(4 + -5k) + 7
12 + 2k = (4 * -7 + -5k * -7) + 7
12 + 2k = (-28 + 35k) + 7

Reorder the terms:
12 + 2k = -28 + 7 + 35k

Combine like terms: -28 + 7 = -21
12 + 2k = -21 + 35k

Solving
12 + 2k = -21 + 35k

Solving for variable 'k'.

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

Add '-35k' to each side of the equation.
12 + 2k + -35k = -21 + 35k + -35k

Combine like terms: 2k + -35k = -33k
12 + -33k = -21 + 35k + -35k

Combine like terms: 35k + -35k = 0
12 + -33k = -21 + 0
12 + -33k = -21

Add '-12' to each side of the equation.
12 + -12 + -33k = -21 + -12

Combine like terms: 12 + -12 = 0
0 + -33k = -21 + -12
-33k = -21 + -12

Combine like terms: -21 + -12 = -33
-33k = -33

Divide each side by '-33'.
k = 1

Simplifying
k = 1

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