-3(1+9k)-7(-12+1)=1+10k-11-6k

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Solution for -3(1+9k)-7(-12+1)=1+10k-11-6k equation:


Simplifying
-3(1 + 9k) + -7(-12 + 1) = 1 + 10k + -11 + -6k
(1 * -3 + 9k * -3) + -7(-12 + 1) = 1 + 10k + -11 + -6k
(-3 + -27k) + -7(-12 + 1) = 1 + 10k + -11 + -6k

Combine like terms: -12 + 1 = -11
-3 + -27k + -7(-11) = 1 + 10k + -11 + -6k

Multiply -7 * -11
-3 + -27k + 77 = 1 + 10k + -11 + -6k

Reorder the terms:
-3 + 77 + -27k = 1 + 10k + -11 + -6k

Combine like terms: -3 + 77 = 74
74 + -27k = 1 + 10k + -11 + -6k

Reorder the terms:
74 + -27k = 1 + -11 + 10k + -6k

Combine like terms: 1 + -11 = -10
74 + -27k = -10 + 10k + -6k

Combine like terms: 10k + -6k = 4k
74 + -27k = -10 + 4k

Solving
74 + -27k = -10 + 4k

Solving for variable 'k'.

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

Add '-4k' to each side of the equation.
74 + -27k + -4k = -10 + 4k + -4k

Combine like terms: -27k + -4k = -31k
74 + -31k = -10 + 4k + -4k

Combine like terms: 4k + -4k = 0
74 + -31k = -10 + 0
74 + -31k = -10

Add '-74' to each side of the equation.
74 + -74 + -31k = -10 + -74

Combine like terms: 74 + -74 = 0
0 + -31k = -10 + -74
-31k = -10 + -74

Combine like terms: -10 + -74 = -84
-31k = -84

Divide each side by '-31'.
k = 2.709677419

Simplifying
k = 2.709677419

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