-3(k+7)-(-4k+6)=-7

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Solution for -3(k+7)-(-4k+6)=-7 equation:


Simplifying
-3(k + 7) + -1(-4k + 6) = -7

Reorder the terms:
-3(7 + k) + -1(-4k + 6) = -7
(7 * -3 + k * -3) + -1(-4k + 6) = -7
(-21 + -3k) + -1(-4k + 6) = -7

Reorder the terms:
-21 + -3k + -1(6 + -4k) = -7
-21 + -3k + (6 * -1 + -4k * -1) = -7
-21 + -3k + (-6 + 4k) = -7

Reorder the terms:
-21 + -6 + -3k + 4k = -7

Combine like terms: -21 + -6 = -27
-27 + -3k + 4k = -7

Combine like terms: -3k + 4k = 1k
-27 + 1k = -7

Solving
-27 + 1k = -7

Solving for variable 'k'.

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

Add '27' to each side of the equation.
-27 + 27 + 1k = -7 + 27

Combine like terms: -27 + 27 = 0
0 + 1k = -7 + 27
1k = -7 + 27

Combine like terms: -7 + 27 = 20
1k = 20

Divide each side by '1'.
k = 20

Simplifying
k = 20

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