-3k+15=7(-4-5)

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Solution for -3k+15=7(-4-5) equation: 


Simplifying
-3k + 15 = 7(-4 + -5)

Reorder the terms:
15 + -3k = 7(-4 + -5)

Combine like terms: -4 + -5 = -9
15 + -3k = 7(-9)

Multiply 7 * -9
15 + -3k = -63

Solving
15 + -3k = -63

Solving for variable 'k'.

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

Add '-15' to each side of the equation.
15 + -15 + -3k = -63 + -15

Combine like terms: 15 + -15 = 0
0 + -3k = -63 + -15
-3k = -63 + -15

Combine like terms: -63 + -15 = -78
-3k = -78

Divide each side by '-3'.
k = 26

Simplifying
k = 26

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