-7(2k-7)+4(2+5k)=57

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Solution for -7(2k-7)+4(2+5k)=57 equation: 


Simplifying
-7(2k + -7) + 4(2 + 5k) = 57

Reorder the terms:
-7(-7 + 2k) + 4(2 + 5k) = 57
(-7 * -7 + 2k * -7) + 4(2 + 5k) = 57
(49 + -14k) + 4(2 + 5k) = 57
49 + -14k + (2 * 4 + 5k * 4) = 57
49 + -14k + (8 + 20k) = 57

Reorder the terms:
49 + 8 + -14k + 20k = 57

Combine like terms: 49 + 8 = 57
57 + -14k + 20k = 57

Combine like terms: -14k + 20k = 6k
57 + 6k = 57

Add '-57' to each side of the equation.
57 + -57 + 6k = 57 + -57

Combine like terms: 57 + -57 = 0
0 + 6k = 57 + -57
6k = 57 + -57

Combine like terms: 57 + -57 = 0
6k = 0

Solving
6k = 0

Solving for variable 'k'.

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

Divide each side by '6'.
k = 0

Simplifying
k = 0

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