8(-5k-4)+7(k+7)=-49

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Solution for 8(-5k-4)+7(k+7)=-49 equation:


Simplifying
8(-5k + -4) + 7(k + 7) = -49

Reorder the terms:
8(-4 + -5k) + 7(k + 7) = -49
(-4 * 8 + -5k * 8) + 7(k + 7) = -49
(-32 + -40k) + 7(k + 7) = -49

Reorder the terms:
-32 + -40k + 7(7 + k) = -49
-32 + -40k + (7 * 7 + k * 7) = -49
-32 + -40k + (49 + 7k) = -49

Reorder the terms:
-32 + 49 + -40k + 7k = -49

Combine like terms: -32 + 49 = 17
17 + -40k + 7k = -49

Combine like terms: -40k + 7k = -33k
17 + -33k = -49

Solving
17 + -33k = -49

Solving for variable 'k'.

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

Add '-17' to each side of the equation.
17 + -17 + -33k = -49 + -17

Combine like terms: 17 + -17 = 0
0 + -33k = -49 + -17
-33k = -49 + -17

Combine like terms: -49 + -17 = -66
-33k = -66

Divide each side by '-33'.
k = 2

Simplifying
k = 2

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