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

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


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

Reorder the terms:
7(-3 + k) + -1(4 + -3k) = 9k
(-3 * 7 + k * 7) + -1(4 + -3k) = 9k
(-21 + 7k) + -1(4 + -3k) = 9k
-21 + 7k + (4 * -1 + -3k * -1) = 9k
-21 + 7k + (-4 + 3k) = 9k

Reorder the terms:
-21 + -4 + 7k + 3k = 9k

Combine like terms: -21 + -4 = -25
-25 + 7k + 3k = 9k

Combine like terms: 7k + 3k = 10k
-25 + 10k = 9k

Solving
-25 + 10k = 9k

Solving for variable 'k'.

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

Add '-9k' to each side of the equation.
-25 + 10k + -9k = 9k + -9k

Combine like terms: 10k + -9k = 1k
-25 + 1k = 9k + -9k

Combine like terms: 9k + -9k = 0
-25 + 1k = 0

Add '25' to each side of the equation.
-25 + 25 + 1k = 0 + 25

Combine like terms: -25 + 25 = 0
0 + 1k = 0 + 25
1k = 0 + 25

Combine like terms: 0 + 25 = 25
1k = 25

Divide each side by '1'.
k = 25

Simplifying
k = 25

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