3(2k-5)-4(k-7)=

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Solution for 3(2k-5)-4(k-7)= equation:


Simplifying
3(2k + -5) + -4(k + -7) = 0

Reorder the terms:
3(-5 + 2k) + -4(k + -7) = 0
(-5 * 3 + 2k * 3) + -4(k + -7) = 0
(-15 + 6k) + -4(k + -7) = 0

Reorder the terms:
-15 + 6k + -4(-7 + k) = 0
-15 + 6k + (-7 * -4 + k * -4) = 0
-15 + 6k + (28 + -4k) = 0

Reorder the terms:
-15 + 28 + 6k + -4k = 0

Combine like terms: -15 + 28 = 13
13 + 6k + -4k = 0

Combine like terms: 6k + -4k = 2k
13 + 2k = 0

Solving
13 + 2k = 0

Solving for variable 'k'.

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

Add '-13' to each side of the equation.
13 + -13 + 2k = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 2k = 0 + -13
2k = 0 + -13

Combine like terms: 0 + -13 = -13
2k = -13

Divide each side by '2'.
k = -6.5

Simplifying
k = -6.5

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