-7(k+9)-(-8k+4)=7

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Solution for -7(k+9)-(-8k+4)=7 equation:


Simplifying
-7(k + 9) + -1(-8k + 4) = 7

Reorder the terms:
-7(9 + k) + -1(-8k + 4) = 7
(9 * -7 + k * -7) + -1(-8k + 4) = 7
(-63 + -7k) + -1(-8k + 4) = 7

Reorder the terms:
-63 + -7k + -1(4 + -8k) = 7
-63 + -7k + (4 * -1 + -8k * -1) = 7
-63 + -7k + (-4 + 8k) = 7

Reorder the terms:
-63 + -4 + -7k + 8k = 7

Combine like terms: -63 + -4 = -67
-67 + -7k + 8k = 7

Combine like terms: -7k + 8k = 1k
-67 + 1k = 7

Solving
-67 + 1k = 7

Solving for variable 'k'.

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

Add '67' to each side of the equation.
-67 + 67 + 1k = 7 + 67

Combine like terms: -67 + 67 = 0
0 + 1k = 7 + 67
1k = 7 + 67

Combine like terms: 7 + 67 = 74
1k = 74

Divide each side by '1'.
k = 74

Simplifying
k = 74

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