7(4k+15)=-18+9k-10

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Solution for 7(4k+15)=-18+9k-10 equation:


Simplifying
7(4k + 15) = -18 + 9k + -10

Reorder the terms:
7(15 + 4k) = -18 + 9k + -10
(15 * 7 + 4k * 7) = -18 + 9k + -10
(105 + 28k) = -18 + 9k + -10

Reorder the terms:
105 + 28k = -18 + -10 + 9k

Combine like terms: -18 + -10 = -28
105 + 28k = -28 + 9k

Solving
105 + 28k = -28 + 9k

Solving for variable 'k'.

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

Add '-9k' to each side of the equation.
105 + 28k + -9k = -28 + 9k + -9k

Combine like terms: 28k + -9k = 19k
105 + 19k = -28 + 9k + -9k

Combine like terms: 9k + -9k = 0
105 + 19k = -28 + 0
105 + 19k = -28

Add '-105' to each side of the equation.
105 + -105 + 19k = -28 + -105

Combine like terms: 105 + -105 = 0
0 + 19k = -28 + -105
19k = -28 + -105

Combine like terms: -28 + -105 = -133
19k = -133

Divide each side by '19'.
k = -7

Simplifying
k = -7

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