5(k-4)-(9-3k)=7k

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Solution for 5(k-4)-(9-3k)=7k equation:


Simplifying
5(k + -4) + -1(9 + -3k) = 7k

Reorder the terms:
5(-4 + k) + -1(9 + -3k) = 7k
(-4 * 5 + k * 5) + -1(9 + -3k) = 7k
(-20 + 5k) + -1(9 + -3k) = 7k
-20 + 5k + (9 * -1 + -3k * -1) = 7k
-20 + 5k + (-9 + 3k) = 7k

Reorder the terms:
-20 + -9 + 5k + 3k = 7k

Combine like terms: -20 + -9 = -29
-29 + 5k + 3k = 7k

Combine like terms: 5k + 3k = 8k
-29 + 8k = 7k

Solving
-29 + 8k = 7k

Solving for variable 'k'.

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

Add '-7k' to each side of the equation.
-29 + 8k + -7k = 7k + -7k

Combine like terms: 8k + -7k = 1k
-29 + 1k = 7k + -7k

Combine like terms: 7k + -7k = 0
-29 + 1k = 0

Add '29' to each side of the equation.
-29 + 29 + 1k = 0 + 29

Combine like terms: -29 + 29 = 0
0 + 1k = 0 + 29
1k = 0 + 29

Combine like terms: 0 + 29 = 29
1k = 29

Divide each side by '1'.
k = 29

Simplifying
k = 29

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