3+4(1+7k)=28

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Solution for 3+4(1+7k)=28 equation:


Simplifying
3 + 4(1 + 7k) = 28
3 + (1 * 4 + 7k * 4) = 28
3 + (4 + 28k) = 28

Combine like terms: 3 + 4 = 7
7 + 28k = 28

Solving
7 + 28k = 28

Solving for variable 'k'.

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

Add '-7' to each side of the equation.
7 + -7 + 28k = 28 + -7

Combine like terms: 7 + -7 = 0
0 + 28k = 28 + -7
28k = 28 + -7

Combine like terms: 28 + -7 = 21
28k = 21

Divide each side by '28'.
k = 0.75

Simplifying
k = 0.75

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